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Technical Information
Service Manual
Display table for error status
Error name Error denition Dual-8 code display
Freon recovery mode Operation status is displayed immediately Fo
Malfunction of indoor fan Malfunction of hardware H6
Malfunction of middle temperature sensor of indoor evaporator Malfunction of hardware F2
Malfunction of indoor ambient temperature sensor Malfunction of hardware F1
Communication malfunction between indoor unit and outdoor unit Malfunction of hardware E6
Malfunction of jumper cap Malfunction of hardware C5
Limit/decrease frequency due to module current protection Display through adjustment with remote controller En
Limit/decrease frequency due to module temperature protection Display through adjustment with remote controller EU
Limit/decrease frequency due to overload protection Display through adjustment with remote controller F6
Limit/decrease frequency due to freeze precention protection Display through adjustment with remote controller FH
Limit/decrease frequency due to discharge protection Display through adjustment with remote controller F9
Limit/decrease frequency due to AC current proteciton of outdoor
unit
Display through adjustment with remote controller F8
Mlafunction overload temperature sensor Malfunction of hardware FE
Malfunction of outdoor discharge temperature Malfunction of hardware F5
Malfunction of outdoor ambient temprature sensor Malfunction of hardware F3
Malfunction of outdoor condenser temperature sensor Malfunction of hardware F4
Circuit malfunction of module temperature senso Malfunction of hardware P7
Overload protection of compressor Other malfunction H3
Discharge protection Other malfunction E4
Overload protection Other malfunction E8
AC current protection of outdoor unit Other malfunction E5
Module current protection Other malfunction H5
Module temperature protection Other malfunction P8
Freeze prevention protection Other malfunction E2
High power protection Other malfunction L9
Lacking/inverse phase protection of compressor Other malfunction U2
PFC current malfunction Other malfunction HC
High DC bus bar voltage protection Other malfunction PH
Low DC bus bar voltage protection Other malfunction PL
Freon-lacking protection Other malfunction F0
Mode shock Malfunction of hardware E7
Non-matching between indoor unit and outdoor unit Malfunction of hardware LP
Read-write malfunction of memory chip Malfunction of hardware EE
Abnormal changeover for 4-way valve Malfunction of hardware U7
Malfunction of outdoor fan 2 Malfunction of hardware LA
Malfunction of outdoor fan 1 Malfunction of hardware L3
Low pressure protection Other malfunction E3
Hgh pressure protection Other malfunction E1
Drop malfunction of DC bus bar voltage Other malfunction U3
Current detection malfunction for the complete unit Malfunction of hardware U5
Charing malfunction for capacity Malfunction of hardware PU
Phase curent detection malfunction of compressor Malfunction of hardware U1
Desynchronizing of compressor Other malfunction H7
Demagnetizing protection of compressor Other malfunction HE
Failure startup of compressor Other malfunction Lc
High peak curent of compressor Other malfunction P5
Conglutination malfunction of relay of refrigerant electric heater
of outdoor unit
Malfunction of hardware A2
Refrigerator heater of outdoor unit is invalid Display through adjustment with remote controller A3
Malfunction of temperaure sensor of refrigerant heater Malfunction of hardware A4
Malfunction exit tube temperature sensor for condenser Malfunction of hardware A5
Oil return Display through adjustment with remote controller F7
Norminal cooling and heating (capacity test code) Operation status is displayed immediately P1
Maximum cooling and heating (capacity test code) Operation status is displayed immediately P2
Medium cooling and heating (capacity test code) Operation status is displayed immediately P3
Minimum cooling and heating (capacity test code) Operation status is displayed immediately P0
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