Service diagnosis
11
Domestic air conditioner
Code indication
fault description
Reference
Page
Indoor
displaying
panel code
indication
Outdoor
(LED1 flash
times)
Indoor and
Outdoor
E7
15
Communication fault between indoor and
outdoor units
Page48 .
Indoor Malfunction
E1
--
Room temperature sensor failure
Page38 .
E2
--
Heat-exchange sensor failure
Page38 .
.
7
4
e
g
a
P
r
o
r
r
e
M
O
R
P
E
E
r
o
o
d
n
I
-
-
4
E
E14
--
Indoor fan motor malfunction
Page39 .
Outdoor
Malfunction
.
7
4
e
g
a
P
r
o
r
r
e
M
O
R
P
E
E
r
o
o
d
t
u
O
1
2
1
F
F1
2
.
3
4
e
g
a
P
M
P
I
f
o
n
o
i
t
c
e
t
o
r
p
e
h
T
F22
3
Overcurrent
protection of AC electricity
for the outdoor model
Page52 .
F3
4
Communication fault between the IPM and
outdoor PCB
Page45.
F19
6
Power voltage is too high or low
Page50.
F27
7
Compressor is lock-rotor or stopped
momentary
Page51
F4
8
Overheat protection for Discharge
temperature
Page46 .
2
4
e
g
a
P
t
l
u
a
f
r
o
t
o
m
n
a
f
C
D
r
o
o
d
t
u
O
9
8
F
F21
10
Defrost temperature sensor failure
Page38 .
F7
11
Suction temperature sensor failure
Page38 .
F6
12
Ambient temperature sensor failure
Page38 .
F25
13
Discharge temperature sensor failure
Page38
4
5
e
g
a
P
t
n
a
r
e
g
i
r
f
e
r
f
o
t
r
o
h
S
6
1
3
1
F
F11
18
deviate from the normal for the compressor
Page51 .
F28
19
Loop of the station detect error
Page51 .
/
21
Over load protection of indoor system
Page53 .
F2
24
Overcurrent of the compressor
Page52.
F23
25
Overcurrent protection for single-phase of the
compressor
Page52 .
E9
21
High work-intense protection
Page54 .
37
Содержание 1U12BS3ERA
Страница 11: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 9 ...
Страница 12: ... Operation range Domestic air conditioner 5ˊOperation range 10 ...
Страница 16: ... CN1 CN2 CN3 CN4 CN5 CN6 6 CN7 PCB 2 Dom Wirin mestic air co ng diagrams onditioner CN1 CN1 s 11 10 14 ...
Страница 32: ... Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 30 ...
