Component testing information, Warning – Maytag MAH9700AW* User Manual

Page 21

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Component Testing Information

!

WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.

©2005 Maytag Services

16025909 Rev. 0

21

Illustration Component

Test

Procedure

Results

Thermistor

Unplug harness connector and test
from wire insertion side.
Pin #6 and Pin #3 of CN3



13000 ohms @ 70F (2.5V DC)







Door Switch

Unplug harness connector and test
from wire insertion side.

Pin #7 of CN5 and Pin #3 of CN9
Pin #8 of CN5 and Pin #3 of CN9


60 ohms
60 ohms







Water Sensor

Check voltage at Pin #6 and Pin #7 of
CN3.

Check voltage at Pin #6 and Pin #8 of
CN3.


Reset water level = 2.5V DC, 25.8 KHz


Reset water level = 2.5V DC, 25.8 KHz

Sump Sensor

Check voltage at Pin #4 and Pin #2 of
CN8.

Check voltage at Pin #4 and Pin #3 of
CN8.


0V DC or 3.75V


0V DC or 3.75V

Motor

Unplug harness connector and test
from wire insertion side.

Pin #1 and Pin #2 of CN9
Pin #1 and Pin #3 of CN9
Pin #2 and Pin #3 of CN9




11.6 ohms
11.6 ohms
11.6 ohms








Drain Pump

During drain check voltage at Pin #1 of
CN5 and Pin #6 of CN10


120V AC







Water Valves

Unplug harness connector and test
from wire insertion side.

(Hot valve) Pin #2 of CN5 and Pin #2
of CN6
(Pre valve) Pin #3 of CN5 and Pin #2
of CN6
(Bleach valve) Pin #4 of CN5 and Pin
#2 of CN6
(Main valve) Pin #1 of CN5 and Pin #2
of CN6





1100 ohms

1100 ohms

1100 ohms

1100 ohms

Heater Relay

During water heat check voltage at Pin
#1 of CN5 and Pin #2 of RY9


120V AC

AC Power

Check voltage at Pin #1 and Pin #3 of
CN5

Check voltage at Pin #1 of CN5 and
Pin #1 of CN6


120V AC


120V AC

Reactor

Unplug harness connector and test
from wire insertion side.


Less than 1 ohm





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