Error Codes And Description Indoor Display - Haier 2HUM18HC03/R2 Service Manual

7.3.Error Codes and Description indoor display

Indoorand Outdoor
Indoor Malfunction
Outdoor
Malfunction
2 H U M 1 8
Code indication
Outdoor
indoor (LED1 flash
times)
E7 15
E1
E2
E 4
E14
1
F12
2
F1
3
F22
4
F3
6
F19
8
F4
10
F21
F6 12
13
F25
18
F11
F28 19
24
F2
25
F23
H C 0 3 R / ( 2 D ) B S - M
Description
Communication fault between indoor and
outdoor units
Room temperature sensor failure
Heat-exchange sensor failure
n I o d r o E E P R O M e r r r o
Indoor fan motor malfunction
O t u o d r o E E P R O M e
T e h p o r e t i t c n o f o P I M
Overcurrent protection of
for the outdoor model
Communication fault between the IPM and
outdoor PCB
Power voltage is too high or low
Overheat protection for exhaust temperature
Frost-removing temperature sensor failure
Ambient temperature sensor failure
Exhaust 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
49
W
r r r o
AC electricity
Domestic air conditioner
r i n i g d a i g a r m s
Reference
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