Component Testing Information

!WARNING

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

 

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

60 ohms

 

 

 

 

Pin #8 of CN5 and Pin #3 of CN9

60 ohms

 

 

 

 

 

 

 

 

 

Water Sensor

Check voltage at Pin #6 and Pin #7 of

 

 

 

 

 

CN3.

Reset water level = 2.5V DC, 25.8 KHz

 

 

 

 

Check voltage at Pin #6 and Pin #8 of

 

 

 

 

 

CN3.

Reset water level = 2.5V DC, 25.8 KHz

 

 

 

 

 

 

 

 

 

Sump Sensor

Check voltage at Pin #4 and Pin #2 of

 

 

 

 

 

CN8.

0V DC or 3.75V

 

 

 

 

Check voltage at Pin #4 and Pin #3 of

 

 

 

 

 

CN8.

0V DC or 3.75V

 

 

 

Motor

Unplug harness connector and test

 

 

 

 

 

from wire insertion side.

 

 

 

 

 

Pin #1 and Pin #2 of CN9

11.6 ohms

 

 

 

 

Pin #1 and Pin #3 of CN9

11.6 ohms

 

 

 

 

Pin #2 and Pin #3 of CN9

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

1100 ohms

 

 

 

 

(Pre valve) Pin #3 of CN5 and Pin #2

 

 

 

 

 

of CN6

1100 ohms

 

 

 

 

(Bleach valve) Pin #4 of CN5 and Pin

 

 

 

 

 

#2 of CN6

1100 ohms

 

 

 

 

(Main valve) Pin #1 of CN5 and Pin #2

 

 

 

 

 

of CN6

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

120V AC

 

 

 

 

Check voltage at Pin #1 of CN5 and

 

 

 

 

 

Pin #1 of CN6

120V AC

 

 

 

Reactor

Unplug harness connector and test

 

 

 

 

 

from wire insertion side.

Less than 1 ohm

©2005 Maytag Services

 

16025909 Rev. 0

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Maytag MAH9700AW* manual Component Testing Information