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Error Codes And Description Indoor Display - Haier HSM18HEKC03/R2 Service Manual

Ek series wall mounted type air conditioner
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7.3.Error Codes and Description indoor display

Indoorand Outdoor
Indoor Malfunction
Outdoor
Malfunction
HSM18HEKC/HRAC03/R2(DB)HUM18HC03/R2(DB)-SM
Code indication
Outdoor
indoor
(LED1 flash
times)
E7
15
E1
E2
E4
E14
1
2
3
4
6
8
10
12
13
18
19
24
25
Description
Communication fault between indoor and
outdoor units
Room temperature sensor failure
Heat-exchange sensor failure
Indoor EEPROM error
Indoor fan motor malfunction
O
u
d t
o
r o
E
E
P
R
O
M
e
r r
r o
T
h
e
p
o r
e t
t c
o i
n
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
54
Service Diagnosis
Reference
Page .62
AC electricity
Page .60
Page .60
Page .60
Domestic Air Conditioner
Page
Page .63
Page .55
Page .55
Page .56
P
a
g
e
.
62
P
a
g
e
.
58
Page.59
Page .65
Page .61
Page .66
Page .66
Page .67
Page .67

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