Before Calling For Service - LG MSER2090 Series Owner's Manual

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22 TROUBLESHOOTING

Before Calling for Service

Operation
Problem
Microwave oven Power cord is unplugged, door is open, or cooking time has not been set.
does not start
• Plug in power cord.
• Close oven door.
• Set cooking time.
A fuse in your home may be blown or the circuit breaker tripped. Or the appliance is
connected to a GFCI (Ground Fault Circuit Interrupter) outlet, and the outlet's circuit
breaker has tripped.
• Check the main electrical box and replace the fuse or reset the circuit breaker.
• Reset the circuit breaker on the GFCI. If the problem persists, contact an electrician.
Arcing or Sparking Cookware is not microwave safe, or the oven is being operated while it is empty.
• Use microwave-safe utensils. When in doubt, test utensils before use.
• Do not operate oven while it is empty.
Incorrect Time of Power is interruption.
Day
• Reset the time. See Setting the Clock section to reset time of day.
Unevenly Cooked Cookware is not microwave safe, or cook settings were wrong.
Foods
• 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.
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.
Do not increase fuse capacity. If the problem is a circuit overload, have it corrected by a
qualified electrician.
Possible Cause & Solution