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[
IX
Troubleshooting ]
- 196 -
HWE1113B
GB
In case of ME remote controller
2. Phenomena
When the remote controller operation SW is turned on, a temporary operation display is indicated, and the display lights out
immediately.
(1) Cause
1) The power is not supplied to the indoor unit.
The main power of the indoor unit (AC220V) is not on.
The connector on the indoor unit board has come off.
The fuse on the indoor unit board has melted.
Transformer failure and disconnected wire of the indoor unit
The indoor unit board failure
2) The outdoor control board failure
As the indoor unit does not interact with the outdoor unit, the outdoor unit model cannot be recognized.
(2) Check method and remedy
YE
S
YE
S
YE
S
YE
S
YE
S
N
O
N
O
N
O
N
O
N
O
N
O
YE
S
*
1
*
1
C
h
e
ck
LED1
on
t
h
e
indoor
unit
c
ontrol
board.
Is
it
lit
?
W
h
en
it
is
lit
W
h
en
it
is
o
ff
or
c
annot
be
ch
e
ck
ed
C
h
e
ck f
or
t
h
e
ch
ange
o
f
LED
displa
y
b
y
operating
dip
swit
ch S
W1
f
or
sel
f
-diagnosis.
C
h
e
ck
voltage
o
f
t
h
e
power
suppl
y
terminal
on
t
h
e
indoor
unit.
AC22
0
V
?
C
h
e
ck
t
h
e
f
use
on
t
h
e
c
ir
c
uit
board.
Melted
?
C
h
e
ck
2
00
V
c
ir
c
uit
f
or
s
h
ort
c
ir
c
uit
and
ground
f
ault
C
h
e
ck
t
h
e
c
onne
c
tion
o
f
t
h
e
c
onne
c
tor.
C
h
e
ck
t
h
e
main
power
o
f
t
h
e
power
suppl
y
wire
Turn
on
t
h
e
power
again.
Conne
c
tor
c
onta
c
t
f
ailure
Dis
c
onne
c
ted
?
C
h
e
ck
t
h
e
resistan
c
e
value
o
f
t
h
e
trans
f
ormer
Wit
h
in
spe
c
i
f
i
c
ation
?
C
h
e
ck
t
h
e
c
ause
o
f
t
h
e
dis
c
onne
c
ted
trans
f
ormer.
G
round
f
ault
on
t
h
e
c
ir
c
uit
board
G
round
f
ault
o
f
t
h
e
sensor
and
t
h
e
LEV
C
h
e
ck
sel
f
-diagnosis
f
un
c
tion
o
f
outdoor
unit
C
h
anged
?
C
h
anged
?
O
utdoor
unit
board
f
ailure
C
h
e
ck
sel
f
-diagnosis
f
un
c
tion
o
f
outdoor
unit
a
f
ter
t
h
e
power
on.
A
cc
idental
error
Indoor
unit
c
ontrol
board
f
ailure
Corre
c
t
t
h
e
error.
*
1.
Re
f
er
to
t
h
e
parts
c
atalog
“
trans
f
ormer
ch
e
ck”
.
Summary of Contents for City Multi CMB-WP108V-G
Page 1: ...AIR CONDITIONER 2014 Service Handbook PURY WP200 WP250YJM A CMB WP108V G Model 3rd edition ...
Page 11: ... 2 HWE1113B GB ...
Page 27: ... I Read Before Servicing 18 HWE1113B GB ...
Page 29: ... 20 HWE1113B GB ...
Page 57: ... 48 HWE1113B GB ...
Page 70: ... III Outdoor Unit Components 61 HWE1113B GB 2 Power supply circuit board ...
Page 71: ... III Outdoor Unit Components 62 HWE1113B GB ...
Page 73: ... 64 HWE1113B GB ...
Page 81: ... IV Remote Controller 72 HWE1113B GB ...
Page 83: ... 74 HWE1113B GB ...
Page 89: ... 80 HWE1113B GB ...
Page 97: ... 88 HWE1113B GB ...
Page 127: ... 118 HWE1113B GB ...
Page 135: ... VIII Test Run Mode 126 HWE1113B GB ...
Page 137: ... 128 HWE1113B GB ...
Page 253: ... 244 HWE1113B GB ...