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7.4.Error Codes and Description indoor display
displaying
panel code
indication
Indoor
and
Outdoor
Indoor Malfunction
Outdoor
Malfunction
Code indication
Indoor
Outdoor
(LED1 flash
times)
E7
15
E1
--
E2
--
E
4
- -
E14
--
F
1
2
1
2
F1
3
F22
F3
4
F19
6
F
F21
10
F7
11
F6
12
F25
13
F11
18
F28
19
E2
24
F23
25
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
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 temperatu
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
50
Service Diagnosis
Reference
Page
Page .60
Page .51
Page .51
P
a
g
e
5 .
Page .53
P
a
g
e
5 .
P
a
g
e
5 .
AC electricity
Page .56
Page 57
Page .58
Page .59
Page .51
Page .51
Page .51
Page .51
Page .63
Page .63
Page .56
Page .56
Domestic Air Conditioner
2
2
5
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