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Troubleshooting Procedures
©2002 Maytag Appliances Company 15 16021668 Rev. 0
Check:
1. Air Vents.
Does fan motor
operate when
START is
pressed.
Measure
resistance
of high voltage
capacitor.
Replace
thermostat.
NO
YES
Unit operates.
Does capacitor have
correct resistance.
See to Testing
Procedures on
page 10.
Replace
magnetron.
Replace high
voltage
capacitor.
YES
NO
Does
fan motor
operate.
Measure
resistance
of fan motor,
approximately
38 ohms.
Is the resistance
of fan motor
correct.
Replace
circuit
board.
Replace
fan motor.
NO
NO
YES
YES
Check if fan motor
operates when
START is pressed.
Place a jumper
wire across
thermostat.
Unit operates normal,
but little or no heating
is produced with an
oven load.