TROUBLESHOOTING

Questions and Answers

Operation

Question

Answer

 

 

Why is the oven light not on during

There may be several reasons why the oven light is not on.

cooking?

Have you:

 

• Set a cook time?

 

• Touched START?

 

 

Why does steam come out of the air

Steam is normally produced during cooking. The microwave oven

exhaust vent?

has been designed to vent this steam.

 

 

Will the microwave oven be damaged if it

Yes. Never operate the oven empty or without the glass turntable.

operates empty?

 

 

 

Does microwave energy pass through the

No. The metal screen bounces the energy back to the oven cavity.

viewing screen in the door?

The holes (or ports) allow only light to pass through. They do not

 

let microwave energy pass through.

 

 

Why does a tone sound when a pad on the

The tone tells you that the setting has been entered.

control panel is touched?

 

 

 

Can my microwave oven be damaged if

Like any other cooking appliance, it is possible to overcook food

food is cooked for too long?

to the point that the food creates smoke and even possibly fire

 

and damage to the inside of the oven. It is always best to be near

 

the oven while you are cooking.

 

 

When the oven is plugged into wall outlet

The microcomputer controlling your oven may temporarily

for the first time, it might not work properly.

become scrambled and fail to function as programmed when you

What is wrong?

plug in for the first time or when power resumes after a power

 

interruption. Unplug the oven from the 120-volt household outlet

 

and then plug it back in to reset the microcomputer.

 

 

Why do I see light reflection around the

This light is from the oven light which is located between the

outer case?

oven cavity and the outer wall of the oven.

 

 

What are the various sounds I hear when

The clicking sound is caused by a mechanical switch turning the

the microwave oven is operating?

microwave oven’s magnetron ON and OFF.

 

The heavy hum and clunk is from the change in power the

 

magnetron draws as it is turned ON and OFF by a mechanical

 

switch. The change in blower speed is from the change in line

 

voltage caused by the magnetron being turned ON and OFF.

 

 

Food

Question

Answer

 

 

What is wrong when baked foods have a

A hard, dry, brown spot indicates overcooking. Shorten the

hard, dry, brown spot?

cooking or reheating time.

 

 

Why do eggs sometimes pop?

When baking, frying, or poaching eggs, the yolk may pop due to

 

steam build-up inside the yolk membrane. To prevent this,

 

simply pierce the yolk before cooking.

 

CAUTION: Never microwave eggs in the shell.

 

 

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LG Electronics LMA840W manual Troubleshooting, Question Answer
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LMA840W specifications

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