DAMA-SM-21-001 Troubleshooting
Service Diagnosis 58
Eror Code Definition
Error Code Checklist Meaning
00
Normal
A1
Indoor PCB error
A3 Drain pump abnormal
A5
Antifreeze
A6
Indoor fan motor abnormal
AH Electrical air cleaner abnormal
C4
Indoor heat exchanger (1) thermistor short / open
C5 Indoor heat exchanger (2) thermistor short / open
C7 Louver limit switch error
C9
Indoor room thermistor short / open
E1
Outdoor PCB error
E3 High pressure protection
E4 Low pressure protection
E5
Compressor motor lock / compressor overload
E6
Compressor start-up error
E7
Outdoor DC fan motor lock
E8
AC input overcurrent
E9 EXV error
EA
4 way valve error
F3
Discharge pipe overheat
F6
Heat exchanger overheat
H0
Compressor sensor system error
H3 High pressure switch error
H6
Compressor feedback detection error
H7 Fan motor overload / overcurrent / sensor abnormal
H8 AC current sensor error
H9
Outdoor air thermistor short / open
J1 Pressure sensor error
J3
Compressor discharge pipe thermistor short / open / misplaced
J5 Suction pipe thermistor short / open
J6
Outdoor heat exchanger thermistor short / open
J7 Subcooling heat exchanger thermistor short / open
J8 Liquid pipe thermistor short / open
J9 Gas pipe thermistor short / open
L1 Inverter outdoor PCB error
L3
Outdoor control box overheat
L4
Heat sink overheat
L5
IPM error / IGBT error
L8 Inverter compressor overcurrent
L9 Compressor overcurrent prevention
LC Communication error (outdoor control PCB and inverter PCB)
P1 Open phase or voltage unbalance
P4
Heat sink thermistor short / open
PJ Capacity setting error
U0 Insufficient gas
U2
DC voltage out of range
U4
Communication error
U7 Communication error (outdoor control PCB and IPM PCB)
UA
Installation error (wrong combination of ID and OD units /
wrong or defective ID/OD PCB installed)
UF Piping & wiring installation mismatch / wrong wiring / insufficient gas
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