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©2006 Maytag Services 16026795 11
When you get a complaint from customers, evaluate the complaint carefully. If the following symptoms apply,
instruct the customer in the proper use of the microwave oven. This can eliminate an unnecessary service call.
CAUTION
!
• Verify proper earthing before checking for trouble.
• Be careful of the high voltage circuit.
• Discharge the high voltage capacitor.
• When checking the continuity of the switches or of the high voltage transformer, disconnect one lead wire from
these parts and then check continuity with the AC plug removed. To do otherwise may result in a false reading
or damage to your meter.
• Do not touch any part of the circuit on the controller, since static electric discharge may damage the control
panel. Always touch yourself to earth while working on this panel to discharge any static charge built up in your
body.
Condition Cause Remedy
Microwave oven does not work.
• Inserting multiple plugs into
one outlet and using them at
the same time (blown fuse or
breaker).
• Avoid using other electrical
appliances when you use the
microwave oven.
• Microwave oven plug is not
inserted tightly.
• Insert microwave oven plug
securely.
Output power is too low.
• Low AC input voltage. • Use the microwave oven at
adequate line voltage.
• Food temperature is too low. • This may not be a defect. It is
possible that the food should
be cooked for a longer time
period.
• Display “Call Service” • This may be caused by
incomplete connection to H.V.
transformer
Sparks occur.
• Using metallic ware and
allowing it to touch the oven
wall.
• Do not use metallic ware for
cooking.
• Ceramic ware trimmed in gold
or silver is used.
• Do not use any type of
cookware with metallic
trimming.
Uneven cooking. Inconsistent food thickness,
inconsistent fat or moisture
distribution within the food
products.
• Use plastic wrap or lid.
• Stir once or twice while
cooking soup, cocoa, milk, etc.
Troubleshooting Procedures