Error Codes And Description Indoor Display; Thermistor Or Related Abnormality - Haier D-Series Service Manual

10.4 Error codes and Description indoor display

Code indication
Indoor
displaying
panel
indication
Indoor and
E7
Outdoor
E1
Indoor Malfunction
E2
E4
E14
F12
F1
Outdoor
F22
Malfunction
F3
F19
F4
F21
F7
F6
F25
F11
F28
F2
F23

10.4.1 Thermistor or Related Abnormality

Indoor Display
Outdoor display
Method of
Malfunction Detection
Outdoor
(LED1 flash
code
times)
15
--
--
--
--
1
2
3
4
6
8
10
11
12
13
18
19
24
25
E1: Room temperature sensor failure
E2: Heat-exchange sensor failure
LED1 flash 10 times Defrost temperature sensor failure
LED1 flash 11 times Suction temperature sensor failure
LED1 flash 12 times Ambient temperature sensor failure
LED1 flash 13 times Discharge temperature sensor failure
The temperatures detected by the thermistors are used to determine thermistor errors
fault description
Communication fault between indoor and
outdoor units
Room temperature sensor failure
Heat-exchange sensor failure
Indoor EEPROM error
Indoor fan motor malfunction
Outdoor EEPROM error
The protection of IPM
Overcurrent protection of
for the outdoor model
Communication fault between the IPM and
outdoor PCB
Power voltage is too high or low
Overheat protection
temperature
Defrost temperature sensor failure
Suction temperature sensor failure
Ambient temperature sensor failure
Discharge temperature sensor failure
deviate from the normal for the compressor
Loop of the station detect error
Overcurrent of the compressor
Overcurrent protection for single-phase of the
compressor
38
Seivice diagnosis
Reference
Page
Page .46
Page .36
Page .36
Page .37
Page .38
Page .37
Page .41
AC electricity
Page . 42
Page.43
Page .44
for Discharge
Page .45
Page .36
Page .36
Page .36
Page .36
Page .48
Page .48
Page . 42
Page . 42
Domestic air conditioner