Seivice diagnosi s
Domestic air conditioner
11.4 Error Codes and Description indoor display
Code indication
fault description
Reference
Page
Indoor
displaying
panel code
indication
Outdoor
(LED1 flash
times)
Indoor and
Outdoor
E7 15
Communication fault between indoor and
outdoor units
Page .
Indoor Malfunction
E1 -- Room temperature sensor failure Page .
E2 -- Heat-exchange sensor failure Page .
.egaProrreMORPEEroodnI--4E
E14 -- Indoor fan motor malfunction Page .
Outdoor
Malfunction
F12 1 Outdoor EEPROM error Page .
F1
2
.egaPMPIfonoitcetorpehT
F22
3 Overcurrent protection of AC electricity
for the outdoor model
Page .
F3 4
Communication fault between the IPM and
outdoor PCB
Page.
F19 6 Power voltage is too high or low Page .
F4 8
Overheat protection for Discharge
temperature
Page .
F8 9 Outdoor DC fan motor fault
F21 10 Defrost temperature sensor failure Page .
F7 11 Suction temperature sensor failure Page .
F6 12 Ambient temperature sensor failure Page .
F25 13 Discharge temperature sensor failure Page .
F11 18 deviate from the normal for the compressor Page .
F28 19 Loop of the station detect error Page .
F2 24 Overcurrent of the compressor Page .
F23 25
Overcurrent protection for single-phase of the
compressor
Page .
E9
21 High work-intense protection
45
36
36
37
38
37
41
42
43
44
45
40
Page .
36
36
36
36
48
48
42
42
Page .49
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