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Component Testing Information (Electronic); Control Board - Maytag AAV4000AW Series Service Manual

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Component Testing Information
To avoid the risk of electrical shock, personal injury, or death, disconnect power to unit before servicing, unless
testing requires power.
Electronic Controls
Resistance and voltage checks of components listed below can be made at PS5 on the control board.
Note: When making resistance checks on the components listed below, washer must be unplugged and PS5
connector disconnected from control board.
GY
1
GY
11
BK
13
WH
15
OR
3
YL
5
PU
7
PK
9
VIEW "A"
PS5
(EXPORT ONLY)
Illustration
Component
AC Power
Lid Switch
Pressure
Switch
Motor
Water Valves
©2005 Maytag Services
All manuals and user guides at all-guides.com
!
WARNING
8
GY
OR
YL
PU
PK
GY
BK
WH
HI/LO
SPEED
R
E3
Test Procedure
With the unit plugged in, check source voltage at Pin #15
WH and Pin #13 BK of PS5 on the control board...............
With the unit plugged in,
check voltage at Pin #5 YL and Pin #15 WH of PS5..........
With unit plugged in and the tub empty,
check voltage at Pin #3 OR and Pin #15 WH of PS5.........
Unplug washer, disconnect harness at PS5 and test from
wire insertion side of harness.
Run winding - PS7 GY and Pin #5 YL of PS5.....................
Start winding - PS9 BU and PS10 RD................................
Unplug washer, disconnect harness and test resistance
from wire insertion side of harness.
(Hot valve) Pin #9 PK of PS5 and Pin #3 OR of PS5..........
(Cold valve) Pin #7 PU of PS5 and Pin #3 OR of PS5........
(Thermistor) Pin #1 GY and Pin #11 GY of PS5.................
16026502
7
3
2
6
5
4
1
4
3
2
PS1
PS6

CONTROL BOARD

START
DIRECTION
RE2
R E0
R
E1
1
5
4
3
2
1
PS4
Results
120 V AC
120 V AC
120 V AC
1.5 ohms
4.0 ohms without
capacitor
1120 ohms
1120 ohms
53000 ohms @ 70F
15

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