[
IX
Troubleshooting ]
- 228 -
HWE1113B
GB
(2) Troubleshooting transmission power circuit of outdoor unit
C
h
e
ck
t
h
e
voltage
between
No.1
and
No.2
pins
o
f
t
h
e
CN
S
2
on
t
h
e
c
ontrol
board.
C
h
e
ck
t
h
e
wiring
between
t
h
e
c
ontrol
board
and
power
suppl
y
board
f
or
t
h
e
transmission
line
(CN1
0
2
and
CNIT)
,
and
ch
e
ck f
or
proper
c
onne
c
tion
o
f c
onne
c
tors.
C
h
e
ck
t
h
e
wiring
between
t
h
e
c
ontrol
board
and
power
suppl
y
board
f
or
t
h
e
transmission
line
(CN1
0
2
and
CNIT)
,
and
ch
e
ck f
or
proper
c
onne
c
tion
o
f c
onne
c
tors.
Is
t
h
ere
a
wiring
error
or
a
c
onne
c
tor
dis
c
onne
c
tion
?
C
h
e
ck
t
h
e
voltage
between
No.
5
and
No.2
pins
o
f
t
h
e
CNIT
on
t
h
e
c
ontrol
board.
Is
t
h
e
voltage
measurement
between
4
.
5
and
5
.2
VDC
?
Is
t
h
ere
a
c
onne
c
tor
dis
c
onne
c
tion
?
Fix
t
h
e
c
onne
c
tor
dis
c
onne
c
tion.
Repla
c
e
t
h
e
M-NET
board
Repla
c
e
t
h
e
c
ontrol
board.
Repla
c
e
t
h
e
M-NET
board
Repla
c
e
t
h
e
M-NET
board
Repla
c
e
t
h
e
noise
f
ilter.
Conne
c
t
t
h
e
noise
f
ilter
CN
4,
and
t
h
en
turn
t
h
e
power
on.
Repla
c
e
t
h
e
noise
f
ilter.
Repla
c
e
t
h
e
noise
f
ilter.
C
h
e
ck
and
f
ix
an
y
power
suppl
y
wiring
and
main
power
suppl
y
problems
f
ound.
Dis
c
onne
c
t
t
h
e
noise
f
ilters
CN
4
and
CN
5,
and
t
h
en
repla
c
e
F
4,
t
h
en
turn
t
h
e
power
on.
Fix
t
h
e
wiring
and
c
onne
c
tor
dis
c
onne
c
tion.
C
h
e
ck f
or
s
h
orted
transmission
line
or
power
f
eed
c
ollision
f
or
c
entrali
z
ed
c
ontrol.
Repla
c
e
t
h
e
c
ontrol
board.
C
h
e
ck
t
h
e
voltage
between
No.1
and
No.2
pins
o
f
t
h
e
CN1
0
2
on
t
h
e
power
suppl
y
board
f
or
t
h
e
transmission
line.
C
h
e
ck
t
h
e
voltage
between
No.1
and
No.
3
pins
o
f
t
h
e
noise
f
ilter
CN
4
.
C
h
e
ck
t
h
e
voltage
between
No.1
and
No.
3
pins
o
f
t
h
e
noise
f
ilter
CN
5
.
C
h
e
ck
t
h
e
noise
f
ilter
F
4 f
use.
C
h
e
ck
t
h
e
voltages
among
TB22
and
TB2
4
on
t
h
e
noise
f
ilter.
C
h
e
ck
t
h
e
voltage
between
L2
and
N
at
t
h
e
power
suppl
y
terminal
blo
ck
TB1.
DC2
4 ~ 30
V
DC2
4 ~ 30
V
DC2
4 ~ 30
V
DC2
79 ~ 374
V
DC2
79 ~ 374
V
F
4
blown
F
4
blown
F
4
blown
AC1
98 ~
2
64
V
AC1
98 ~
2
64
V
DC2
4 ~ 30
V
Turn
on
t
h
e
power
again.
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
YE
S
N
O
C
h
e
ck
t
h
e
voltage
at
t
h
e
indoor/outdoor
transmission
terminal
blo
ck
(TB
3
)
o
f
outdoor
unit.
DC
2
4 ~ 30
V
DC
2
4 ~ 30
V
C
h
e
ck
t
h
e
voltage
at
TB
3
a
f
ter
removing
transmission
line
f
rom
TB
3
.
C
h
e
ck
w
h
et
h
er
t
h
e
male
c
onne
c
tor
is
c
onne
c
ted
to
t
h
e
f
emale
power
suppl
y c
onne
c
tor
(CN
40
).
Conne
c
ted
C
h
e
ck
voltage
o
f
terminal
blo
ck f
or
c
entrali
z
ed
c
ontrol
(TB
7
).
C
h
e
ck
voltage
o
f
TB
7
b
y
removing
transmission
line
f
rom
TB
7
.
C
h
e
ck
i
f
t
h
e
indoor/outdoor
transmission
line
is
not
s
h
ort-
c
ir
c
uited
,
and
repair
t
h
e
problem.
C
h
e
ck
w
h
et
h
er
t
h
e
transmission
line
is
dis
c
onne
c
ted
,
ch
e
ck f
or
c
onta
c
t
f
ailure
,
and
repair
t
h
e
problem.
Repla
c
e
t
h
e
c
ontrol
board.
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 ...