Haier N Series Service Manual page 36

10.3 Error Codes and Description indoor display
Indoor displaying panel code
Other
display
Indoor and
E7
Outdoor
E1
Indoor
E2
Malfunction
E4
E14
F12
F1
F22
F3
F19
F4
F21
Outdoor
F7
Malfunction
F6
F25
F11
F28
F2
F23
F8
Code indication
indication
Only For 498 and
498A display
(Red/Green Time Run
,)
Outdoor
fault description
(LED1
flash
times)
Communication fault between
15
indoor and outdoor units
-- Room temperature sensor failure
-- Heat-exchange sensor failure
-- Indoor EEPROM error
-- Indoor fan motor malfunction
1 Outdoor EEPROM error
2 The protection of IPM
Overcurrent protection of AC
3 electricity for the outdoor
model
Communication fault between the
4
IPM and outdoor PCB
6 Power voltage is too high or low
Overheat protection for Discharge
8
temperature
10 Defrost temperature sensor failure
11 Suction temperature sensor failure
Ambient temperature sensor
12
failure
Discharge temperature sensor
13
failure
deviate from the normal for the
18
compressor
19 Loop of the station detect error
24 Overcurrent of the compressor
Overcurrent protection for
25
single-phase of the compressor
9 Outdoor DC fan motor fault
34
Service diagnosis
Reference
Page
Page.42
Page.31
Page.31.
Page.32.
Page.33
Page.32
Page.36
Page.37
Page.39
Page.40
Page.41
Page.31
Page.31
Page.31
Page.31
Page.44
Page.44
Page.37
Page.43
Page.43
Domestic air conditioner