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7.3.Error Codes and Description indoor display
Indoorand Outdoor
Indoor Malfunction
Outdoor
Malfunction
AS09/12GS2ERA 1U09/12BS1ERA-SM
Code indication
Outdoor
indoor
(LED1 flash
times)
E7
15
1
E
E
2
E
4
E
1
4
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
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E
P
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T
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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
53
Servive Diagnosis
a f
u l i
e r
c
o i t
n
r o
AC electricity
Domestic air conditioner
Reference
Page
Page .62
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