Filter
Top Products
Troubleshooting Procedures
16021668 Rev. 0 16 ©2002 Maytag Appliances Company
Check:
1. Primary and Secondary Interlock Switches.
2. Thermostat.
Unit does not heat even
if display counts down
when START pad is
pressed for high power.
Does relay
contacts measure
correct resistance.
Verify proper
connection of
ribbon
connector.
NO
YES
Unit operates.
Replace
circuit
board.
Does ribbon
connector have
proper
connection.
Replace
circuit
board.
Reconnect ribbon
connector for
proper
connection.
YES
NO
Does transformer
have the correct
resistance.
Replace
high
voltage
diode.
NO
YES
Unit operates.
Does capacitor
have correct
resistance.
Measure
resistance of high
voltage diode.
See to
Testing Procedures
on page 10.
YES
Does diode
have correct
resistance
Replace
magnetron.
NO
Replace
high voltage
transformer.
Measure
resistance of high
voltage capacitor.
See to
Testing Procedures
on page 10.
YES
Check the
contacts of
RY2 relay.
Unit does not heat even
if display counts down
when START pad is
pressed for high power.
Measure resistance of
high voltage transformer.
See to Testing
Procedures on page 10.
Replace
high voltage
transformer.
NO