Haier FlexFit Pro Series Service Manual page 76

Cassette panel IR
Corresponds to
receiver digital display outdoor error
(flashing)
28
2A
2B
2C
2D
2E
2F
30
39
3A
3B
3E
3F
40
41
Note:
The outdoor failure can also be indicated by the indoor unit, the checkin gmethod as followings: If the outdoor error
code is M(DECIMAL), the indoor unit's I.R. receiver display will show the after convert3erd hexadecimal code of
"M+20"(DECIMAL)
For example, if the outdoor error code is 2, the indoor unit I.R. receiver display will flash the error code 16(2→
2+20=22→change decmal 22 to hexadecimal code, get 16)
Large Cassette Error Code Logic
code
20 Indoor pipe temperature too high
22 PFC circuit loop overcurrent
23 Temperature too high for compressor driver module
24 Compressor start failure
25 Input overcurrent of the drive module
26 Lack phase of the drive module power supply
27 Input current sampling circuit fault
28 No wiring of the compressor
Compressor overcurrent detected by
37
compressor driver module
38 Drive module's ambient temp. sensor abnormal
39 Mid-condenser temp. sensor TC abnormal
42 High pressure switch abnormal(open circuit）
43 Low pressure switch abnormal(open circuit）
44 Outdoor condenser temperatureTC too high
45 System low pressure protection
Description of malfunction
72
FlexFit Pro
Remarks
Malfunction of
outdoor unit.
Refer to outdoor unit
troubleshooting
list for more details