Haier 3U19FS2ERA Service Manual page 124

11.4 Error Codes and Description indoor display
Code indication
Indoor
displaying
panel
indication
Indoor and
E7
Outdoor
E1
Indoor Malfunction
E2
E 4
E14
F12
F1
Outdoor
F22
Malfunction
F3
F19
F4
F8
F21
F7
F6
F25
F11
F28
F2
F23
E9
Outdoor
fault description
(LED1 flash
code
times)
Communication fault between indoor and
15
outdoor units
-- Room temperature sensor failure
-- Heat-exchange sensor failure
- - n I
-- Indoor fan motor malfunction
1 Outdoor EEPROM error
2 T
3 Overcurrent
for the outdoor model
Communication fault between the IPM and
4
outdoor PCB
6 Power voltage is too high or low
Overheat protection for Discharge
8
temperature
9 Outdoor DC fan motor fault
10 Defrost temperature sensor failure
11 Suction temperature sensor failure
12 Ambient temperature sensor failure
13 Discharge temperature sensor failure
18 deviate from the normal for the compressor
19 Loop of the station detect error
24 Overcurrent of the compressor
Overcurrent protection for single-phase of the
25
compressor
21 High work-intense protection
415
d o r o E E P R O M e r r r o
h e p o r e t t c o i n f o P I M
protection of
Seivice diagnosis
Reference
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Page .49
Domestic air conditioner
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40
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