Error Codes |
Problem |
EE |
Indoor machine EE fault |
E0 |
Outdoor EE fault |
E1 |
Indoor fan fault |
E2 |
Indoor fan zero-crossing detection abnormal |
E3 |
Indoor coil fault and sensor fault |
E4 |
Indoor ambient temperature sensor fault |
E5 |
Fan Operation Error |
E6 |
Indoor and outdoor machine communication fault |
E8 |
Outdoor communication fault |
F1 |
Compressor starting abnormal |
F2 |
Compressor out of step fault |
F3 |
IPM module fault |
F4 |
Compressor shell roof fault/protection |
F5 |
Discharge temperature sensor fault |
F6 |
Section temperature sensor fault |
F7 |
Outdoor coil temperature sensor fault |
F8 |
Outdoor ambient temperature sensor fault |
F9 |
Outdoor DC fan fault |
P1 |
Outdoor machine AC current protection |
P2 |
Compressor phase current protection |
P3 |
Outdoor unit over-high or over-low AC voltage protection |
P4 |
DC voltage over-high or over-low voltage protection |
P5 |
IPM over-high temperature protection |
P6 |
Discharge temperature overheat protection |
P7 |
Cooling indoor coil anti freezing protection |
P8 |
Cooling outdoor coil overheat protection |
P9 |
Heating indoor coil overheat protection |
PC |
Cooling outdoor ambient temperature over-low protection |
PH |
Heating outdoor ambieent temperature over-high protection |
L1 |
Drive bus voltage over-high protection |
L2 |
Drive bus voltage over-low protection |
L3 |
Drive phase current overload fault |
L4 |
Phase current samping abnormal |
U1 |
IPM Over current protection |
U3 |
Compressor Over current protection |
U4 |
Over voltage protection |
U5 |
Low voltage protection |
U7 |
Over speed protection |
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