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.4 Error Codes and Description indoor display
panel code
Indoor
and
Outdoor
Indoor Malfunction
Outdoor
Malfunction
Code indication
Indoor
Outdoor
displaying
(LED1 flash
times)
indication
E7
15
E1
--
E2
--
E
4
- -
E14
--
F
1
2
1
F
1
2
F22
3
F3
4
F19
6
F4
8
9
F8
F21
10
F7
11
F6
12
F25
13
F11
18
F28
19
F2
24
F23
25
E9
21
fault description
Communication fault between indoor and
outdoor units
Room temperature sensor failure
Heat-exchange sensor failure
n I
d
o
r o
E
E
P
R
O
M
e
r r
r o
Indoor fan motor malfunction
O
u
d t
o
r o
E
E
P
R
O
M
e
r r
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
temperature
Outdoor DC fan motor fault
Defrost temperature sensor failure
Suction temperature sensor failure
Ambient temperature sensor failure
Discharge 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
High work-intense protection
Service diagnosis
r o
AC electricity
for
Discharge
Domestic air conditioner
Reference
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