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Please check the indoor unit’s error display and review the owner’s manual if other error codes appear.
Error Codes
Error
Codes
Causes
P4
Discharge pipe temperature protection
P5
Discharge high pressure protection
P6
Discharge low pressure protection
P7
Over-voltage protection
P8
Compressor overload protection
P9
Reserve code
PA
Reserve code
PB
Reserve code
PC
Reserve code
PD
Reserve code
PE
Reserve code
PF
Other fault
12. Fault Alarm Handling
Wired Remote Controller