18 19
6
123
123
4
4
5
5
6
WH
3 Φ
M
OTOR
6
1
2
3
13 2
4
4
5
5
6
1
2
3
13
2
12
3
13
2
4
4
123
1 3
123
123
2
4
4
21
1
2
21
2 1
WH
W
H
WH
WH
B
L
123
231
NA
PRESSURE
S
ENSOR
V
SB
WH
NA3
BL1
BL3
NA2
WH
WI-FI
MODULE
RD5
123
231
B
LEAC
H
1
2
1
2
MAIN
12
12
PRE
WASH
12
12
12
12
FUSEFUSE
GN
/
YL
1
2 3
231
NOISE
FIL
TER
123
231
WH
RD
BK
(L1)
WH
(N
)
GN
POWER
CORD
120 V
AC
/ 60
H
Z
GN
/
YL
BN (L1)
PTO
PTO
SOLE
NOID
1 2 3
5 3 2
4
4
DOOR LOCK SWITCH
WH
BL (N)
BN (L1)
RD (N)
RD (L1)
BL (N)
BK (L1)
BK (L1)
B
L
(L1)
BK (L1)
BK (L1)
BK (L1)
BN
BN
YL
Relays
LAMP
BL
BL
WH
WH
GY
BL
WASH
HTR
1
4.4Ω
1000 W
@120
VAC
YL
OR
BL
BK
RD
MAIN PWB
BL
YL
X71
BK
X134
*Door Lo
ck Solenoid 120 V
AC
(4)
OR to (3) BL by Pulse
Oh
m
Check OR to BL 700
Ω to 1500Ω
*Doo
r
Swit
ch M
akes / Break
s Neut
ral
Side of
Line (2)
Rd to (1) BK
BK (L1)
BK (L1)
BK (L1)
V
SB
WH
(N)
(N)
(N)
(N)
120 V
AC
INLET
VALVES
800Ω to 1200Ω
3 Φ Motor Ohm Tests
5
to
15 Ohms
1 to 2
1 to 3
2 to 3
DISPLAY PWB
9 8
7
8 7910
10
6
6
5
5
43
4 3
654
3
21
7
B
K
BR
R
D
OR
YL
G
N
PK
Door
M
on
it
or
Circuit
WM4270H*A Wiring Diagram
5
4
3
2
1
P
S Vol
tage Tests
2.5 to 3.0 V
DC
WH to V
WH to SB
Fr
equenc
y 26 KH
Z
to 23 KH
Z
Ohm Check
20Ω to 25Ω
V to SB
Tri
acs (L1)
REGULATED POWER SUPPLY TEST Step 1:
* Disconnect & Reconnect Washer to Power /
120 V
AC
BK to RD / RD LED OFF
* Press POWER Button / 0 V
AC
BK to RD / RD LED ON!
Note: Ohm check POWER Button Switch from BK to
YL / Switch is Normally Closed / Press Button & Switch
OPENS!
2 3
4567
1
2 3 4 5
67
1
234 5 6 7
1 10
10
2 3 4 5
67
89
8
9
1
2
3
45
6 7
110
10
2 3
4567
8 9
8 9
1
2 3
4567
1 10
10
234567
89
8
9
1
DISPLAY PWB
YL(L1)
BK
RD (N)
RD (L1)
6
5
4 3 2 1
7
7 6 5 4
3
2
BR
RD
OR
YL
GN
(N)
(L1)
(L1
)
HOT
VA
L
VE
NOTES
Test Mode
Press & Hold
SPIN SPEED & SOIL LEVEL
Press POWER
Press START / PAUSE to cycle thru tests
Componen
t Tests
Voltage Tests with connectors installed
Ohm Tests with connectors removed
RD
N
A
4
OR
BL (L1)
BL
YL
GY
WH
BK
(L1)
BN
BN
BN
RORO
BL (L1
)
123
231
UVW
32 1
2 31
BL
RD
YL
1
2
3
1
3
2
GY4
BL
RD
YL
THERMI
STO
R
.5 to 4.5 V
DC
O
hms T
es
t
50KΩ to 60KΩ @
Room
Temperature
WH to BL – WASH
OR (N)
(N)
(N)
SB
BL (N)
REGULATED POWER SUPPLY
T
EST Step 2:
With RED LED ON / CK the following Voltages
RD to
OR – 12 V
D
C
R
D to YL –5 V
DC
WH
C
NC
Power Button
N
.
C.
Wiring Color Legend
BK – Black BL – Blue BN – Brown GN – Green GY – Gray
OR – Orange PK – Pink RD – Red SB – Sky Blue WH
– White
V – Violet YL – Yellow
2
2
1
1
CO
N 4
-1
1
BK
B
K
RD
PK
V
B
L
Function Test while operating;
Press Delay Wash & S
oil Level = Water Level (255 Empty-213 Flood Level)
Press Delay Wash & Spin Speed =
Motor RPM
Press Delay Wash & Wash
Temp.= Temp. Celsius
DRAIN
PUMP
CIRCULATION PUMP
BN
BKBK
SB
Pump Motors 120 V
AC
Ohms Test
Drain Motor BK to BN 13Ω to 17Ω
Pump Motor SB to BK 25Ω to 30Ω
SB
SB
8
8
5
4
3
2
1
4
3
2
1
4
3
2
1
5
4
3
2
1
5
4
3
2
1
1 23
1
2 3
1
2
12
WH
WH
LGE Internal Use Only
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