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11
Indoor and
Outdoor
Indoor Malfunction
Outdoor
Malfunction
Code indication
Indoor
Outdoor
displaying
(LED1 flash
panel code
times)
indication
E7
15
E1
--
E2
--
E
4
- -
E14
--
F
1
2
1
F1
2
3
F22
F3
4
F19
6
F27
7
F4
8
F
8
9
F21
10
F7
11
F6
12
F25
13
F
1
3
1
6
F11
18
F28
19
/
21
F2
24
F23
25
21
E9
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
Compressor is lock-rotor or stopped
momentary
Overheat protection for Discharge
temperature
O
u
d t
o
r o
D
C
a f
n
m
t o
r o
a f
Defrost temperature sensor failure
Suction temperature sensor failure
Ambient temperature sensor failure
Discharge temperature sensor failure
S
h
o
t r
f o
e r
r f
g i
e
a r
t n
deviate from the normal for the compressor
Loop of the station detect error
Over load protection of indoor system
Overcurrent of the compressor
Overcurrent protection for single-phase of the
compressor
High work-intense protection
Service diagnosis
r o
AC electricity
u
t l
Domestic air conditioner
Reference
Page
Page46 .
Page36 .
Page36 .
P
a
g
e
4
5
.
Page37 .
P
a
g
e
4
5
.
P
a
g
e
4
1
.
Page50 .
Page43.
Page48 .
Page49
Page44 .
P
a
g
e
4
0
Page36 .
Page36 .
Page36 .
Page36
P
a
g
e
5
2
Page49 .
Page49 .
Page49 .
Page50.
Page50.
Page52 .
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