44
Malfunction
code
Indication
on wired
controller
Malfunction position
31
3F
Power module overload due to constant high current
32
40
Over current at steady state (software trip)
33
41
Over current at deceleration state (software trip)
34
42
Compressor is not connected
35
43
Communication loss time out between IPM and control PCB
36
44
Changeover failure
37
45
Compressor rotor wrong position compare to the driver
38
46
Microchip reset
39
47
Power module temp. sensor abnormal, No content after "OR" in the new manual.
40
48
Power module detects DC current, but compressor is OFF. Or power module detects no
DC current, but compressor is ON
41
49
Power failure moment
42
4A
Power module input three phase lack failure
43
4B
IPM temperature protection