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TROUBLESHOOTING
Do not repair or disassemble the air conditioner yourself. Unqualified repairs will void the
warranty card and may cause damage to the user or its property.
Error code
F1
Compressor drive IPM failure
F2
PFC /IPM failure
F3
Compressor starts failure
F4
Compressor running out of step (compressor off position)
F5
Position detection circuit failure
FA
Phase current over-current protection
P2
DC bus over- voltage protection
E4
Indoor and outdoor communication failure
F6
Communication failure between main control board and drive board
P3
AC input voltage protection
P4
AC over-current protection
P5
AC Over-voltage protection
F7
Outdoor coil sensor failure
E0
Exhaust air sensor failure
E6
Outdoor environmental sensor failure
E7
Outdoor DC fan failure
FE
Outdoor EE failure
P1
Over-temperature protection at the top of the compressor
PE
Abnormal refrigerant circulation
34
Description
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