Domestic Air Conditioner
7.3.Error Codes and Description indoor display
Code indication
Description
Reference
Page
indoor
Outdoor
(LED1 flash
times)
Indoorand Outdoor
E7 15
Communication fault between indoor and
outdoor units
Page .78
Indoor Malfunction
E1 Room temperature sensor failure Page .69
E2 Heat-exchange sensor failure Page .69
E4 Indoor EEPROM error Page .77
E14 Indoor fan motor malfunction Page .70
Outdoor
Malfunction
1 Outdoor EEPROM error Page .77
2
The protection of IPM Page .72
3 Overcurrent protection of AC electricity
for the outdoor model
4
Communication fault between the IPM and
outdoor PCB
Page 73
6 Power voltage is too high or low Page .81
8 Overheat protection for exhaust temperature Page .75
9 outdoor fan motor malfunction
10 Frost-removing temperature sensor failure Page .74
11 SUCK temperature sensor failure Page .74
12 Ambient temperature sensor failure Page .74
13 Exhaust temperature sensor failure Page .74
18 deviate from the normal for the compressor Page .82
19 Loop of the station detect error Page .82
24 Overcurrent of the compressor Page .83
25
Overcurrent protection for single-phase of the
compressor
Page .83
HSU12/18VHJ(DB)
Functions and control
55