Maytag MAH9700AW* manual Component Testing Information

Page 21

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

21

Image 21
Contents Service Important Notices for Servicers and Consumers General Information Important Safety Information Neutral GroundNeutral Side Round GroundingGrounding Instructions Important Safety Information General Information H 9 Leaking Will Not StartNo Tumble Will Not SpinWet Clothes Wrong Water TemperatureSee Will Not Spin Will Not LockConsumer Information Codes Description Diagnostic Display CodeService Mode Enter / Exit Service ModeHolds During test Cancels hold Predefined Resumes next Hold Quick Press Rotary Spin StepQuick Spin Test Diagnostic Code Display InitialHold Quick Spin Step Board Input Test OutputLED/Switch Test Quick Service CycleSwitch Action Fast Time Down TestBoard Output Test Selection Function DisplaySelection Component Function Diagnostic Codes Description Trigger Action to be Taken Display Diagnostic CodesGo to Will Not DrainDiag Description Trigger Action to be Code Taken Diagnostic codesDiag Description Trigger Action to be Exit Service ModeOutput Test Diag Description Trigger Action to be CodeComponent Testing Information CN3 CN6 CN9 CN8 CN7 Water flow through dispenser during Wash fill Water flow through dispenser during Rinse 1 fill Water flow through dispenser during Rinse 2 fill Disassembly Procedures Disassembly Procedures Water Valve Removal Door Removal Disassembly Procedures Front Panel Removal Heater Removal Motor Removal Disassembly Procedures Drain Pump Removal 1x12 32 long Disassembly Procedures Disassembly Procedures Disassembly Procedures Disassembly Procedures Appendix a DC68-02032B 16025909 Rev WA Rning Location Considerations 16025909 Rev 16025909 Rev 16025909 Rev Appendix B 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev 16025909 Rev Roubleshooting 16025909 Rev