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Trouble Shooting; Question And Answers - Kenmore Sears 721.68280 Owner's Manual

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QUESTIONS
AND ANSWERS
Operation
Question
Answer
What is wrong when the oven light wilt not
There may be several reasons why the oven light will not glow.
gbw during cooking?
Perhaps;
'SuCooking
time has not been set,
.fuSTART has not been touched,
;rUThe light bulb is burned out.
Why does steam come out of [he air
Steam is normal_y produced during cooking. The microwave even
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) only allow light to pass through, They do not let
microwave energy pass through.
Why does the beep sound when a pad on
The beep tells you that the setting is properly entered.
the control panel is touched?
Can my microwave oven be damaged if
Like any other cooking appliance, it is possible to overcook food to
food is cooked for too long?
the point where the food creates smoke and even possibIy fire
damage to the inside of the oven. It is always best to be near the
oven while it is in the cooking process.
When the oven is plugged into wall outtet for ]-he microcomputer
contro{ling your oven may temporarily
become
the first time, it might not work properly,
scrambled and fail to function as programmed
when you plug ]n for
What is wrong?
the first time or when power resumes after a power interrupt}on,
Unplug the oven from the 120 volt household
outtet 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 oven
outer case?
cavity and the outer walt of the oven.
What are the various sounds t hear when
The clicking sound is caused by a mechanical
switch turning the
the microwave oven Lsoperating?
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.
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