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User
Manual
67
Error
Code
Content
Error
Code
Content
C9
Compressor Drive Storage
Chip Error
E6
Communication Error
between ODU and IDU
Ad
Outdoor Fan Out-of-phase
Protection
C4
ODU Jumper Cap Error
AE
Outdoor Fan Current
Detecting Circuit Error
dJ
AC Phase Sequence
Protection (phase loss or
phase reversal)
Ac
Outdoor Fan Startup
Failure
e1
High Pressure Sensor Error
AJ
Outdoor Fan
Non-synchronism
Protection
UL
Outdoor Fan Overcurrent
Protection
EL
Emergency Operation
Stop
A1
Outdoor Fan IPM Module
Protection
oE
Other Error of Compressor
C6
Discharge Temperature
Sensor Error
dc
Compressor Suction
Temperature Sensor Error
C3
Outdoor Condenser Middle
Pipe Temperature Sensor
Error
P7
Module Temperature
Sensor Circuit Error
U7
4-way Valve Commutation
Error
U8
Zero-crossing Signal Error
Cd
Abnormal Electrical Level of
Selected Port
F3
Outdoor Ambient
Temperature Sensor Error
EE
Memory Chip Read and
Write Error
E3
Refrigerant Lacking
Protection
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