Two, multi-online<\/p>\n\n\n\n

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1. Digital\u00a0multi-online\u00a0outdoor\u00a0unit<\/li>\n<\/ol>\n\n\n\n

   Fault<\/strong> <\/strong>code<\/strong><\/strong><\/td>	Fault <\/strong>content<\/strong><\/strong><\/td>	Fault <\/strong>code<\/strong><\/strong><\/td>	Fault <\/strong>content<\/strong><\/strong><\/td><\/tr>
   E1<\/strong><\/strong><\/td>	Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td>	P5<\/strong><\/strong><\/td>	Compressor current <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   E2<\/strong><\/strong><\/td>	Indoor antifreeze <\/strong>protection<\/strong><\/strong><\/td>	PL<\/strong><\/strong><\/td>	DC bus voltage low <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   E3<\/strong><\/strong><\/td>	Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td>	Lc<\/strong><\/strong><\/td>	Compressor startup <\/strong>failed<\/strong><\/strong><\/td><\/tr>
   E4<\/strong><\/strong><\/td>	Compressor<\/strong> <\/strong>exhaust<\/strong> <\/strong>high<\/strong> <\/strong>temperature<\/strong> <\/strong>protection\/oil<\/strong> <\/strong>temperature<\/strong> <\/strong>high<\/strong> <\/strong>temperature<\/strong> <\/strong>protection<\/strong><\/strong><\/td>	Hc<\/strong><\/strong><\/td>	PFC module <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   E5<\/strong><\/strong><\/td>	Compressor overcurrent protection\/compressor and fan drive <\/strong>failure<\/strong><\/strong><\/td>	LE<\/strong><\/strong><\/td>	Stall<\/strong><\/strong><\/td><\/tr>
   E6<\/strong><\/strong><\/td>	Communication <\/strong>malfunction<\/strong><\/strong><\/td>	PO<\/strong><\/strong><\/td>	Drive module <\/strong>reset<\/strong><\/strong><\/td><\/tr>
   E7<\/strong><\/strong><\/td>	Pattern <\/strong>Conflict<\/strong><\/strong><\/td>	H7<\/strong><\/strong><\/td>	Compressor motor out of <\/strong>step<\/strong><\/strong><\/td><\/tr>
   EA<\/strong><\/strong><\/td>	Oil solenoid valve <\/strong>protection<\/strong><\/strong><\/td>	Ld<\/strong><\/strong><\/td>	Lack of <\/strong>phase<\/strong><\/strong><\/td><\/tr>
   F4<\/strong><\/strong><\/td>	Outdoor environment temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	P6<\/strong><\/strong><\/td>	Communication<\/strong> <\/strong>failure<\/strong> <\/strong>from<\/strong> <\/strong>the<\/strong> <\/strong>variable<\/strong> <\/strong>frequency<\/strong> <\/strong>drive<\/strong> <\/strong>section<\/strong> <\/strong>to<\/strong> <\/strong>the<\/strong> <\/strong>main<\/strong> <\/strong>control<\/strong><\/strong><\/td><\/tr>
   F5<\/strong><\/strong><\/td>	Outdoor<\/strong> <\/strong>host inlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	H5<\/strong><\/strong><\/td>	IPM module <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   F6<\/strong><\/strong><\/td>	The temperature sensor in the middle of the outdoor host is <\/strong>malfunctioning<\/strong><\/strong><\/td>	LF<\/strong><\/strong><\/td>	speeding<\/strong><\/strong><\/td><\/tr>
   F7<\/strong><\/strong><\/td>	Outdoor host outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	Pd<\/strong><\/strong><\/td>	Sensor connection <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   F8<\/strong><\/strong><\/td>	Host fixed frequency compressor 1 exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	PE<\/strong><\/strong><\/td>	Warm drift <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   F9<\/strong><\/strong><\/td>	The exhaust temperature sensor of the host digital press is <\/strong>faulty<\/strong><\/strong><\/td>	P9<\/strong><\/strong><\/td>	Communication contactor <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   FA<\/strong><\/strong><\/td>	Engine fixed frequency compressor 1 oil temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	E1<\/strong><\/strong><\/td>	High voltage <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   Fb<\/strong><\/strong><\/td>	Host digital press oil temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	E3<\/strong><\/strong><\/td>	Low voltage <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   Fc<\/strong><\/strong><\/td>	High voltage sensor <\/strong>malfunction<\/strong><\/strong><\/td>	E4<\/strong><\/strong><\/td>	Exhaust <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   Fd<\/strong><\/strong><\/td>	Low pressure sensor <\/strong>malfunction<\/strong><\/strong><\/td>	H3<\/strong><\/strong><\/td>	The compressor comes with overload <\/strong>protection<\/strong><\/strong><\/td><\/tr>
   FE<\/strong><\/strong><\/td>	Lack of refrigerant <\/strong>protection<\/strong><\/strong><\/td>	E6<\/strong><\/strong><\/td>	Communication failure (between internal and external devices, and handheld <\/strong>device<\/strong><\/strong>)<\/strong><\/strong><\/td><\/tr>
   b5<\/strong><\/strong><\/td>	Outdoor sub machine inlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	F4<\/strong><\/strong><\/td>	Outdoor environment temperature sensing head <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   b6<\/strong><\/strong><\/td>	Fault in the temperature sensor in the middle of the outdoor sub <\/strong>unit<\/strong><\/strong><\/td>	F5<\/strong><\/strong><\/td>	Outdoor coil inlet temperature sensing head <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   b7<\/strong><\/strong><\/td>	Outdoor sub unit outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	F6<\/strong><\/strong><\/td>	Outdoor coil middle temperature sensing head <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   b8<\/strong><\/strong><\/td>	Fixed frequency compressor 2 exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	F7<\/strong><\/strong><\/td>	Outdoor coil outlet temperature sensing head <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   b9<\/strong><\/strong><\/td>	Fixed frequency compressor 3 exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	F9<\/strong><\/strong><\/td>	Variable frequency exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   bA<\/strong><\/strong><\/td>	Fixed frequency compressor 2 oil temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	PA<\/strong><\/strong><\/td>	AC current protection (input <\/strong>side)<\/strong><\/strong><\/td><\/tr>
   bb<\/strong><\/strong><\/td>	Fixed frequency compressor 3 oil temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	PF<\/strong><\/strong><\/td>	Driver board environmental temperature sensing package <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   PH<\/strong><\/strong><\/td>	DC bus voltage high <\/strong>protection<\/strong><\/strong><\/td>	PP<\/strong><\/strong><\/td>	Abnormal AC input <\/strong>voltage<\/strong><\/strong><\/td><\/tr>
   P8<\/strong><\/strong><\/td>	IPM or PFC module overheat <\/strong>protection<\/strong><\/strong><\/td>	C5<\/strong><\/strong><\/td>	Jumper cap <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>
   Pc<\/strong><\/strong><\/td>	Current detection circuit <\/strong>malfunction<\/strong><\/strong><\/td>	PU<\/strong><\/strong><\/td>	Charging circuit <\/strong>problem<\/strong><\/strong><\/td><\/tr>
   P7<\/strong><\/strong><\/td>	IPM or PFC module temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td>	H6<\/strong><\/strong><\/td>	DC motor without speed feedback <\/strong>fault<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 2. Multi-connection\u00a0indoor\u00a0unit\u00a0(except\u00a0intelligent\u00a0multi-connection)<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> CC<\/strong><\/strong><\/td> Remote <\/strong>locking<\/strong><\/strong><\/td> EE<\/strong><\/strong><\/td> Key <\/strong>lock<\/strong><\/strong><\/td><\/tr> CH<\/strong><\/strong><\/td> Conflict flag with valid main <\/strong>manipulator<\/strong><\/strong><\/td> EH<\/strong><\/strong><\/td> Auxiliary electric heating <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> CL<\/strong><\/strong><\/td> Clear the wire controller <\/strong>logo<\/strong><\/strong><\/td> FO<\/strong><\/strong><\/td> Indoor environmental temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Indoor unit inlet pipe temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> Indoor antifreeze <\/strong>protection<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Indoor unit middle temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Indoor unit outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor<\/strong> <\/strong>exhaust<\/strong> <\/strong>high<\/strong> <\/strong>temperature<\/strong> <\/strong>protection\/oil<\/strong> <\/strong>temperature high temperature protection<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Outdoor environment temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor<\/strong> <\/strong>overcurrent<\/strong> <\/strong>protection\/compressor<\/strong> <\/strong>and<\/strong> <\/strong>fan<\/strong> <\/strong>drive<\/strong> <\/strong>failure<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Outdoor unit inlet pipe temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>malfunction<\/strong><\/strong><\/td> F6<\/strong><\/strong><\/td> Fault in the temperature sensor in the middle of the outdoor <\/strong>unit<\/strong><\/strong><\/td><\/tr> E7<\/strong><\/strong><\/td> Pattern <\/strong>Conflict<\/strong><\/strong><\/td> F7<\/strong><\/strong><\/td> Outdoor unit outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Indoor fan overload <\/strong>protection<\/strong><\/strong><\/td> F8<\/strong><\/strong><\/td> Fault<\/strong> <\/strong>in<\/strong> <\/strong>exhaust<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>of<\/strong> <\/strong>fixed<\/strong> <\/strong>frequency<\/strong> <\/strong>compressor<\/strong><\/strong><\/td><\/tr> E9\/Eb<\/strong><\/strong><\/td> Full water <\/strong>protection<\/strong><\/strong><\/td>  <\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 3. Intelligent\u00a0multi-unit\u00a0indoor\u00a0unit<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> E9\/Eb<\/strong><\/strong><\/td> Full water <\/strong>protection<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> Indoor antifreeze <\/strong>protection<\/strong><\/strong><\/td> EE<\/strong><\/strong><\/td> Key <\/strong>lock<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> EH<\/strong><\/strong><\/td> Auxiliary electric heating <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust high temperature <\/strong>protection<\/strong><\/strong><\/td> F0<\/strong><\/strong><\/td> Indoor<\/strong> <\/strong>environmental<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor overcurrent <\/strong>protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Indoor<\/strong> <\/strong>unit<\/strong> <\/strong>evaporator<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>malfunction<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Condenser temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E7<\/strong><\/strong><\/td> Pattern <\/strong>Conflict<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>environment<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Indoor fan overcurrent <\/strong>protection<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 3.\u00a0Air\u00a0pipe\u00a0machine<\/p>\n\n\n\n (1) Universal\u00a0model<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E0<\/strong><\/strong><\/td> Water pump malfunction (new air <\/strong>duct)<\/strong><\/strong><\/td> EH<\/strong><\/strong><\/td> Auxiliary electric heating <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> F0<\/strong><\/strong><\/td> Indoor environmental temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> Indoor antifreeze <\/strong>protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Indoor unit evaporator temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Condenser temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust high temperature <\/strong>protection<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Outdoor environment temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor overcurrent <\/strong>protection<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>malfunction<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Monitor environmental temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Indoor fan <\/strong>malfunction<\/strong><\/strong><\/td> FF<\/strong><\/strong><\/td> See <\/strong>note<\/strong><\/strong><\/td><\/tr> E9<\/strong><\/strong><\/td> Full water <\/strong>protection<\/strong><\/strong><\/td> C5<\/strong><\/strong><\/td> Jumper cap <\/strong>malfunction<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 2. Gree\u00a0Central\u00a0air\u00a0conditioning\u00a0C1,\u00a0C3,\u00a0C3+,\u00a0D\u00a0and\u00a0CF\u00a0kitchen\u00a0and\u00a0other\u00a0series\u00a0of\u00a0air\u00a0duct\u00a0machines For details, see: One article read Gree Central air conditioning duct machine fault code<\/p>\n\n\n\n Four, the new fan:<\/p>\n\n\n\n (1) Fresh\u00a0air\u00a0treatment\u00a0unit:<\/p>\n\n\n\n Fault<\/strong> <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Indoor<\/strong> <\/strong>inlet<\/strong> <\/strong>pipe<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> Anti low temperature (anti <\/strong>freezing)<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Indoor central temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Indoor<\/strong> <\/strong>outlet<\/strong> <\/strong>pipe<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust high temperature <\/strong>protection<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>environmental<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor overcurrent <\/strong>protection<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>inlet<\/strong> <\/strong>pipe<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>malfunction<\/strong><\/strong><\/td> F6<\/strong><\/strong><\/td> Outdoor central temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E7<\/strong><\/strong><\/td> Pattern <\/strong>Conflict<\/strong><\/strong><\/td> F7<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>outlet<\/strong> <\/strong>pipe<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Overload protection for internal <\/strong>fan<\/strong><\/strong><\/td> F8<\/strong><\/strong><\/td> Exhaust<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>1<\/strong> <\/strong>(fixed<\/strong> <\/strong>frequency)<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E9<\/strong><\/strong><\/td> Full water <\/strong>protection<\/strong><\/strong><\/td> F9<\/strong><\/strong><\/td> Exhaust<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>2<\/strong> <\/strong>(frequency<\/strong> <\/strong>converter)<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> Fc<\/strong><\/strong><\/td> High pressure valve <\/strong>malfunction<\/strong><\/strong><\/td> FA<\/strong><\/strong><\/td> Oil<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>1<\/strong> <\/strong>(fixed<\/strong> <\/strong>frequency)<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> Fd<\/strong><\/strong><\/td> Low pressure valve <\/strong>malfunction<\/strong><\/strong><\/td> Fb<\/strong><\/strong><\/td> Oil<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>2<\/strong> <\/strong>(frequency<\/strong> <\/strong>converter)<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> EH<\/strong><\/strong><\/td> Auxiliary electric heating <\/strong>malfunction<\/strong><\/strong><\/td> CL<\/strong><\/strong><\/td> Clear the main controller <\/strong>logo<\/strong><\/strong><\/td><\/tr> H6<\/strong><\/strong><\/td> PG motor stalling <\/strong>protection<\/strong><\/strong><\/td> No<\/strong><\/strong><\/td> No main indoor unit <\/strong>code<\/strong><\/strong><\/td><\/tr> F0<\/strong><\/strong><\/td> Indoor<\/strong> <\/strong>environmental<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td>  <\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n (2) Full\u00a0heat\u00a0fresh\u00a0air\u00a0ventilation\u00a0unit:<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>malfunction<\/strong><\/strong><\/td> L1<\/strong><\/strong><\/td> Humidity sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>  F0<\/strong><\/strong><\/td> Indoor<\/strong> <\/strong>environmental<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td>  L0<\/strong><\/strong><\/td> Malfunctions in the air valve and related<\/strong> <\/strong>components<\/strong> <\/strong>or<\/strong> <\/strong>wiring<\/strong> <\/strong>errors<\/strong> <\/strong>in<\/strong> <\/strong>the<\/strong> <\/strong>centralized<\/strong> <\/strong>control of the air valve<\/strong><\/strong><\/td><\/tr> F3<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>outlet<\/strong> <\/strong>pipe<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td>  <\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 5. (Villa)\u00a0Household\u00a0machine<\/p>\n\n\n\n (1) Single\u00a0system<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> E6<\/strong><\/strong><\/td> Pump overload <\/strong>protection<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> System antifreeze <\/strong>protection<\/strong><\/strong><\/td> E7<\/strong><\/strong><\/td> Water flow switch <\/strong>protection<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> E8<\/strong><\/strong><\/td> Fan 1 overload <\/strong>protection<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust temperature <\/strong>protection<\/strong><\/strong><\/td> E9<\/strong><\/strong><\/td> System 1: High temperature <\/strong>protection<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor overload <\/strong>protection<\/strong><\/strong><\/td> b1<\/strong><\/strong><\/td> Compressor 2 high pressure <\/strong>protection<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Pump overload <\/strong>protection<\/strong><\/strong><\/td> b2<\/strong><\/strong><\/td> System 2 anti freezing <\/strong>protection<\/strong><\/strong><\/td><\/tr> E7<\/strong><\/strong><\/td> Water flow switch <\/strong>protection<\/strong><\/strong><\/td> b3<\/strong><\/strong><\/td> Compressor 2 low pressure <\/strong>protection<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Fan overload <\/strong>protection<\/strong><\/strong><\/td> b4<\/strong><\/strong><\/td> Compressor 2 Exhaust Temperature <\/strong>Protection<\/strong><\/strong><\/td><\/tr> E9<\/strong><\/strong><\/td> System anti high temperature <\/strong>protection<\/strong><\/strong><\/td> b5<\/strong><\/strong><\/td> Compressor 2 overload <\/strong>protection<\/strong><\/strong><\/td><\/tr> F1<\/strong><\/strong><\/td> Antifreeze temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> b8<\/strong><\/strong><\/td> Fan 2 overload <\/strong>protection<\/strong><\/strong><\/td><\/tr> F3<\/strong><\/strong><\/td> Defrost temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> b9<\/strong><\/strong><\/td> System 2 Anti high <\/strong>temperature<\/strong><\/strong><\/td><\/tr> F5<\/strong><\/strong><\/td> Exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Antifreeze temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> F7<\/strong><\/strong><\/td> Outdoor environmental temperature <\/strong>sensor<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Antifreeze temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> F8<\/strong><\/strong><\/td> Inlet water temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Defrost temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> F9<\/strong><\/strong><\/td> Water outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Defrost temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> EC<\/strong><\/strong><\/td> communication <\/strong>failure<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Exhaust temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor 1 high pressure <\/strong>protection<\/strong><\/strong><\/td> F6<\/strong><\/strong><\/td> Exhaust temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> System 1 anti freezing <\/strong>protection<\/strong><\/strong><\/td> F7<\/strong><\/strong><\/td> Outdoor environment temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor 1 low pressure <\/strong>protection<\/strong><\/strong><\/td> F8<\/strong><\/strong><\/td> Inlet water temperature <\/strong>sensor<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor 1 Exhaust Temperature <\/strong>Protection<\/strong><\/strong><\/td> F9<\/strong><\/strong><\/td> Water outlet temperature <\/strong>sensor<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor 1 overload <\/strong>protection<\/strong><\/strong><\/td> EC<\/strong><\/strong><\/td> communication <\/strong>failure<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n (2) Floor\u00a0heating\u00a0unit<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor 1 high pressure <\/strong>protection<\/strong><\/strong><\/td> b5<\/strong><\/strong><\/td> Compressor 2 overload <\/strong>protection<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> System One Anti Freeze <\/strong>Protection<\/strong><\/strong><\/td> b8<\/strong><\/strong><\/td> Fan 2 overload <\/strong>protection<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor 1 low pressure <\/strong>protection<\/strong><\/strong><\/td> b9<\/strong><\/strong><\/td> System 2 Anti high <\/strong>temperature<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor 1 Exhaust Temperature <\/strong>Protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Antifreeze temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor 1 overload <\/strong>protection<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Antifreeze temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Pump overload <\/strong>protection<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Defrost temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E7<\/strong><\/strong><\/td> Water flow switch <\/strong>malfunction<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Defrost temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Fan 1 overload <\/strong>protection<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Exhaust temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E9<\/strong><\/strong><\/td> System One: High Temperature <\/strong>Prevention<\/strong><\/strong><\/td> F6<\/strong><\/strong><\/td> Exhaust temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b1<\/strong><\/strong><\/td> Compressor 2 high pressure <\/strong>protection<\/strong><\/strong><\/td> F7<\/strong><\/strong><\/td> Outdoor environment temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b2<\/strong><\/strong><\/td> System 2 anti freezing <\/strong>protection<\/strong><\/strong><\/td> F8<\/strong><\/strong><\/td> Inlet water temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b3<\/strong><\/strong><\/td> Compressor 2 low pressure <\/strong>protection<\/strong><\/strong><\/td> F9<\/strong><\/strong><\/td> Water outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b4<\/strong><\/strong><\/td> Compressor 2 Exhaust Temperature <\/strong>Protection<\/strong><\/strong><\/td> EC<\/strong><\/strong><\/td> communication <\/strong>failure<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 6.\u00a0Unit\u00a0unit\u00a0(air-cooled\u00a0cold\u00a0air\u00a0type)<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor 1 high pressure <\/strong>protection<\/strong><\/strong><\/td> C1<\/strong><\/strong><\/td> Compressor 3 high pressure <\/strong>protection<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> System 1 anti freezing <\/strong>protection<\/strong><\/strong><\/td> C2<\/strong><\/strong><\/td> System 3 anti freezing <\/strong>protection<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor 1 low pressure <\/strong>protection<\/strong><\/strong><\/td> C3<\/strong><\/strong><\/td> Compressor 3 low pressure <\/strong>protection<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor 1 Exhaust High Temperature <\/strong>Protection<\/strong><\/strong><\/td> C4<\/strong><\/strong><\/td> Compressor 3 Exhaust High Temperature <\/strong>Protection<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor 1 overcurrent <\/strong>protection<\/strong><\/strong><\/td> C5<\/strong><\/strong><\/td> Compressor 3 overcurrent <\/strong>protection<\/strong><\/strong><\/td><\/tr> b1<\/strong><\/strong><\/td> Compressor 2 high pressure <\/strong>protection<\/strong><\/strong><\/td> C6<\/strong><\/strong><\/td> Condenser 3 sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b2<\/strong><\/strong><\/td> System 2 anti freezing <\/strong>protection<\/strong><\/strong><\/td> C7<\/strong><\/strong><\/td> Evaporator 3 sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b3<\/strong><\/strong><\/td> Compressor 2 low pressure <\/strong>protection<\/strong><\/strong><\/td> FO<\/strong><\/strong><\/td> Indoor environment sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b4<\/strong><\/strong><\/td> Compressor 2 Exhaust High Temperature <\/strong>Protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Evaporator 1 sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b5<\/strong><\/strong><\/td> Compressor 2 overcurrent <\/strong>protection<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Condenser 1 sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b6<\/strong><\/strong><\/td> Condenser 2 sensor <\/strong>malfunction<\/strong><\/strong><\/td> F3<\/strong><\/strong><\/td> Outdoor environment sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> b7<\/strong><\/strong><\/td> Evaporator 2 sensor <\/strong>malfunction<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Exhaust temperature sensor 1 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> EC<\/strong><\/strong><\/td> communication <\/strong>failure<\/strong><\/strong><\/td> F6<\/strong><\/strong><\/td> Exhaust temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> EE<\/strong><\/strong><\/td> Storage chip <\/strong>malfunction<\/strong><\/strong><\/td> F7<\/strong><\/strong><\/td> Exhaust temperature sensor 2 <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E0<\/strong><\/strong><\/td> Water flow switch <\/strong>malfunction<\/strong><\/strong><\/td> F9<\/strong><\/strong><\/td> Supply fan thermal <\/strong>overcurrent<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Supply fan thermal <\/strong>overcurrent<\/strong><\/strong><\/td>  <\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \u00a07. Constant\u00a0temperature\u00a0and\u00a0humidity\u00a0machine<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor 1 high pressure <\/strong>protection<\/strong><\/strong><\/td> b5<\/strong><\/strong><\/td> Compressor 2 overcurrent <\/strong>protection<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> Compressor 1 anti freezing <\/strong>protection<\/strong><\/strong><\/td> F0<\/strong><\/strong><\/td> Return air temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor 1 low pressure <\/strong>protection<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Antifreeze sensor 1 <\/strong>protection<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor 1 overcurrent <\/strong>protection<\/strong><\/strong><\/td> F2<\/strong><\/strong><\/td> Antifreeze sensor 2 <\/strong>protection<\/strong><\/strong><\/td><\/tr> bl<\/strong><\/strong><\/td> Compressor 2 high pressure <\/strong>protection<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Exhaust sensor 1 <\/strong>protection<\/strong><\/strong><\/td><\/tr> b2<\/strong><\/strong><\/td> Compressor 2 anti freezing <\/strong>protection<\/strong><\/strong><\/td> F5<\/strong><\/strong><\/td> Exhaust sensor 2 <\/strong>protection<\/strong><\/strong><\/td><\/tr> b3<\/strong><\/strong><\/td> Compressor 2 low pressure <\/strong>protection<\/strong><\/strong><\/td> F8<\/strong><\/strong><\/td> Humidifier malfunction <\/strong>protection<\/strong><\/strong><\/td><\/tr> b4<\/strong><\/strong><\/td> Compressor 2 Exhaust High Temperature <\/strong>Protection<\/strong><\/strong><\/td> F9<\/strong><\/strong><\/td> Centrifugal fan overcurrent <\/strong>protection<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 8. Water\u00a0ring\u00a0heat\u00a0pump\u00a0unit<\/p>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> E9<\/strong><\/strong><\/td> Full water <\/strong>protection<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> System antifreeze <\/strong>protection<\/strong><\/strong><\/td> EC<\/strong><\/strong><\/td> Water temperature exceeding the limit <\/strong>fault<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> d1<\/strong><\/strong><\/td> UV <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust high temperature <\/strong>protection<\/strong><\/strong><\/td> d2<\/strong><\/strong><\/td> Electrostatic dust removal <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E5<\/strong><\/strong><\/td> Compressor overcurrent <\/strong>protection<\/strong><\/strong><\/td> FO<\/strong><\/strong><\/td> Indoor temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>Failure<\/strong><\/strong><\/td> F1<\/strong><\/strong><\/td> Evaporator temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr>  E7<\/strong><\/strong><\/td>  Water flow switch <\/strong>protection<\/strong><\/strong><\/td>  F3<\/strong><\/strong><\/td> Water system antifreeze sensor malfunction (B-series<\/strong> <\/strong>unit displays water temperature over limit <\/strong>protection)<\/strong><\/strong><\/td><\/tr> E8<\/strong><\/strong><\/td> Indoor fan overcurrent <\/strong>protection<\/strong><\/strong><\/td> F4<\/strong><\/strong><\/td> Exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 9. Hot\u00a0water\u00a0air\u00a0conditioning\u00a0unit<\/p>\n\n\n\n Fault<\/strong> <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> F3<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>environment<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td> L6<\/strong><\/strong><\/td> Insufficient crew <\/strong>capacity<\/strong><\/strong><\/td><\/tr> F4<\/strong><\/strong><\/td> Exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> L7<\/strong><\/strong><\/td> Water pressure switch <\/strong>protection<\/strong><\/strong><\/td><\/tr> F5<\/strong><\/strong><\/td> Outdoor inlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> C8<\/strong><\/strong><\/td> Fault<\/strong> <\/strong>in<\/strong> <\/strong>the<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>at<\/strong> <\/strong>the<\/strong> <\/strong>bottom<\/strong> <\/strong>of<\/strong> <\/strong>the water tank<\/strong><\/strong><\/td><\/tr> F6<\/strong><\/strong><\/td> Outdoor central temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> 1<\/strong><\/strong><\/td> VERSION<\/strong><\/strong><\/td><\/tr> F6<\/strong><\/strong><\/td> Outdoor<\/strong> <\/strong>heat<\/strong> <\/strong>exchanger<\/strong> <\/strong>tube<\/strong> <\/strong>temperature<\/strong> <\/strong>sensing<\/strong> <\/strong>bulb<\/strong> <\/strong>malfunction<\/strong><\/strong><\/td> 2<\/strong><\/strong><\/td> Outlet water <\/strong>temperature<\/strong><\/strong><\/td><\/tr> F7<\/strong><\/strong><\/td> Outdoor outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> 3<\/strong><\/strong><\/td> Inlet water <\/strong>temperature<\/strong><\/strong><\/td><\/tr> F8<\/strong><\/strong><\/td> Inlet water temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> 4<\/strong><\/strong><\/td> Outdoor ambient <\/strong>temperature<\/strong><\/strong><\/td><\/tr> F9<\/strong><\/strong><\/td> Water outlet temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> 5<\/strong><\/strong><\/td> User side <\/strong>temperature<\/strong><\/strong><\/td><\/tr> Fd<\/strong><\/strong><\/td> Return air temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> 6<\/strong><\/strong><\/td> Outdoor inlet pipe temperature <\/strong>1<\/strong><\/strong><\/td><\/tr> FE<\/strong><\/strong><\/td> User side water temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> 7<\/strong><\/strong><\/td> Outdoor inlet pipe temperature <\/strong>2*<\/strong><\/strong><\/td><\/tr> FL<\/strong><\/strong><\/td> Temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong> <\/strong>in<\/strong> <\/strong>the<\/strong> <\/strong>middle<\/strong> <\/strong>of<\/strong> <\/strong>the water tank<\/strong><\/strong><\/td> 8<\/strong><\/strong><\/td> Exhaust temperature <\/strong>1<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> 9<\/strong><\/strong><\/td> Exhaust temperature <\/strong>2*<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> 10<\/strong><\/strong><\/td> Outdoor outlet temperature <\/strong>1<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust high temperature <\/strong>protection<\/strong><\/strong><\/td> 11<\/strong><\/strong><\/td> Outdoor outlet temperature <\/strong>2*<\/strong><\/strong><\/td><\/tr> E6<\/strong><\/strong><\/td> Communication <\/strong>Failure<\/strong><\/strong><\/td> 12<\/strong><\/strong><\/td> Water tank temperature (commercial <\/strong>machine)<\/strong><\/strong><\/td><\/tr> E0<\/strong><\/strong><\/td> Pump overcurrent <\/strong>protection<\/strong><\/strong><\/td>  <\/td> Reserved (for home <\/strong>use)<\/strong><\/strong><\/td><\/tr> EF<\/strong><\/strong><\/td> External fan overcurrent <\/strong>protection<\/strong><\/strong><\/td> 13<\/strong><\/strong><\/td> reserve<\/strong><\/strong><\/td><\/tr> EH<\/strong><\/strong><\/td> Auxiliary electric heating <\/strong>protection<\/strong><\/strong><\/td> 14<\/strong><\/strong><\/td> reserve<\/strong><\/strong><\/td><\/tr> Ed<\/strong><\/strong><\/td> System anti high temperature <\/strong>protection<\/strong><\/strong><\/td> 15<\/strong><\/strong><\/td> reserve<\/strong><\/strong><\/td><\/tr> Ec<\/strong><\/strong><\/td> Water flow switch <\/strong>protection<\/strong><\/strong><\/td> 16<\/strong><\/strong><\/td> Reserved (commercial <\/strong>aircraft)<\/strong><\/strong><\/td><\/tr> L2<\/strong><\/strong><\/td> Water tank level switch <\/strong>malfunction<\/strong><\/strong><\/td>  <\/td> Water tank temperature (household <\/strong>unit)<\/strong><\/strong><\/td><\/tr> d2<\/strong><\/strong><\/td> Automatic antifreeze protection in <\/strong>winter<\/strong><\/strong><\/td> 17<\/strong><\/strong><\/td> reserve<\/strong><\/strong><\/td><\/tr> L5<\/strong><\/strong><\/td> Circulating<\/strong> <\/strong>water<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong> <\/strong>(RSZ series direct heating water heater)<\/strong><\/strong><\/td> 18<\/strong><\/strong><\/td> Water temperature in the middle of the water <\/strong>tank<\/strong><\/strong><\/td><\/tr>  <\/td> Water<\/strong> <\/strong>tank<\/strong> <\/strong>temperature<\/strong> <\/strong>sensor<\/strong> <\/strong>malfunction<\/strong> <\/strong>(commercial direct circulation water <\/strong>heater)<\/strong><\/strong><\/td> 19<\/strong><\/strong><\/td> Upper water temperature of the water <\/strong>tank<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td> Fault <\/strong>code<\/strong><\/strong><\/td> Fault <\/strong>content<\/strong><\/strong><\/td><\/tr> F0<\/strong><\/strong><\/td> Indoor temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> E5<\/strong><\/strong><\/td> Compressor overcurrent <\/strong>protection<\/strong><\/strong><\/td><\/tr> F1<\/strong><\/strong><\/td> Evaporator temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> E6<\/strong><\/strong><\/td> Communication <\/strong>Failure<\/strong><\/strong><\/td><\/tr> F2<\/strong><\/strong><\/td> Condenser temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> LI<\/strong><\/strong><\/td> power-off <\/strong>protection<\/strong><\/strong><\/td><\/tr> F3<\/strong><\/strong><\/td> Outdoor temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> L2<\/strong><\/strong><\/td> Low voltage protection of <\/strong>battery<\/strong><\/strong><\/td><\/tr> F4<\/strong><\/strong><\/td> Exhaust temperature sensor <\/strong>malfunction<\/strong><\/strong><\/td> L3<\/strong><\/strong><\/td> DC fan <\/strong>malfunction<\/strong><\/strong><\/td><\/tr> F5<\/strong><\/strong><\/td> Water outlet temperature sensor\/humidity <\/strong>sensor<\/strong><\/strong><\/td> EH<\/strong><\/strong><\/td> Auxiliary electric heating <\/strong>protection<\/strong><\/strong><\/td><\/tr> E1<\/strong><\/strong><\/td> Compressor high pressure <\/strong>protection<\/strong><\/strong><\/td> LH<\/strong><\/strong><\/td> Alarm for high indoor ambient <\/strong>temperature<\/strong><\/strong><\/td><\/tr> E2<\/strong><\/strong><\/td> Indoor antifreeze <\/strong>protection<\/strong><\/strong><\/td> LL<\/strong><\/strong><\/td> Alarm for low indoor ambient <\/strong>temperature<\/strong><\/strong><\/td><\/tr> E3<\/strong><\/strong><\/td> Compressor low pressure <\/strong>protection<\/strong><\/strong><\/td> EL<\/strong><\/strong><\/td> Fire <\/strong>Alarm<\/strong><\/strong><\/td><\/tr> E4<\/strong><\/strong><\/td> Compressor exhaust high temperature <\/strong>protection<\/strong><\/strong><\/td> L4<\/strong><\/strong><\/td> Filter blockage <\/strong>alarm<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n <\/figure>\n\n\n\n END!<\/p>","protected":false},"excerpt":{"rendered":" First,\u00a0household\u00a0air\u00a0conditioning Fault code Fault cont 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