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User
Manual
66
Error
Code
Content
Error
Code
Content
P0
Drive Module Reset
P5
Overcurrent of Compressor
Phase Current
LF
Overspeed
PP
DC Input Voltage Error
C8
Compressor DIP
Switch/Jumper Cap Error
Uo
Abnormal Outdoor Ambient
Temperature (heating at too
high ambient temperature or
cooling at too low ambient
temperature)
PF
Drive Board Ambient
Temperature Sensor Error
b5
Liquid Valve Temperature
Sensor Error
P9
AC Contactor Protection
b7
Gas Valve Temperature
Sensor Error
PE
Temperature Shifting
Protection
A5
Outdoor Condenser Inlet
Pipe Temperature Sensor
Error
Pd
Sensor Connection
Protection (current sensor
hasn’t been connected to
corresponding U phase or
V phase)
A7
Outdoor Condenser Outlet
Pipe Temperature Sensor
Error
e3
Low Pressure Sensor
Error
A4
Refrigerant Temperature
Sensor Error
C7
Outdoor Pipe Middle
Sensor Error
A3
ODU Refrigerant Heater
Failure
E1
High Pressure Switch 2
Error
A2
ODU Refrigerant Heater
Relay Adhesion Error