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32 TROUBLESHOOTING
Before Calling for Service
Operation
Problem Possible Cause & Solution
Microwave oven
does not start
Power cord is unplugged, door is open, or cooking time has not been set.
• Plug in power cord or check for a blown circuit fuse or a tripped main circuit breaker.
• Close oven door.
• Set cooking time.
Timer function started.
• If the display shows a time counting down but the oven is not cooking, check to see if a
Timer function has been started instead of a cooking function.
Oven light does not
work
Power cord is unplugged.
• Plug in power cord.
Arcing or Sparking Cookware is not microwave safe, or the oven is being operated while it is empty.
• Use microwave-safe cookware. When in doubt, test cookware before use.
• Do not operate oven while it is empty.
Wire twist-ties have not been removed from paper or plastic bags, or the metal rack
was installed improperly.
• Remove wire twist-ties from paper or plastic bags.
• Place the rack securely in the four plastic supports.
Incorrect Time of
Day
Power interruption.
• Reset the time. See Setting the Clock section to reset time of day.
Unevenly Cooked
Foods
Cookware is not microwave safe, or cook settings were wrong.
• Test cookware to make sure it is microwave safe.
• Do not cook without the glass tray.
• Turn or stir food while cooking.
• Defrost food completely before cooking.
• Use correct cook time and power level.
• Check position of aluminum strips used to prevent overcooking.
Overcooked Foods Cooking settings and methods are wrong.
• Change cook time or power level.
Undercooked Foods Cookware is not microwave safe, or cook settings were wrong.
• Test that cookware is microwave safe.
• Defrost food completely before cooking.
• Change cook time or power level.
• Make sure that ventilation ports are not blocked.
Improper Defrosting Cookware is not microwave safe, or cook settings were wrong.
• Test that cookware is microwave safe.
• Change defrost time or weight.
• Turn or stir food during defrost cycle.
Moisture collects on
oven window or
steam comes from
oven vent
This happens when cooking foods high in moisture.
• This is normal.
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