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English 79
Troubleshooting
Symptom Cause Action
The oven does not
cook properly.
The oven door is
frequently opened during
cooking.
If you open the door often, the
interior temperature will be
lowered and this may affect
the results of your cooking.
The oven controls are not
correctly set.
Correctly set the oven controls
and try again.
The broil heater or other
accessories are not
correctly inserted.
Correctly insert the
accessories.
The wrong size or wrong
type of cookware is used.
Use suitable cookware with at
bottoms.
For the Lower Oven
Problem Possible cause Solution
The oven will
not turn on.
The oven is not completely
plugged into the electrical
outlet.
Make sure the electrical
plug is inserted into a live,
properly grounded outlet.
A fuse in your home may be
blown or a circuit breaker
may have tripped.
Replace the fuse or reset the
circuit breaker.
The oven controls have been
set improperly.
See the Basic operations
section starting on page 22.
The oven is too hot. Allow the oven to cool.
Incomplete service wiring. Call for service.
Power outage. Check to see if the house
lights will turn on. If
necessary, call your local
electric company for service.
Symptom Cause Action
Convection
The oven does not
heat.
The door is open. Close the door and try again.
Smoke comes out
during preheating.
During initial operation,
smoke may come from
the heating elements
when you rst use the
oven.
This is not a malfunction. After
you run the oven 2-3 times, it
should stop.
Food is on the heating
elements.
Let the oven cool and then
remove the food from the
heating elements.
There is a burning or
plastic smell when
using the oven.
Plastic or non heat-
resistant cookware is
used.
Use glass cookware suitable
for high temperatures.
There is a bad smell
coming from inside
the oven.
Food residue or plastic
has melted and stuck to
the interior.
Run the Steam Bake function
for an hour, and then wipe
with a dry cloth.
You can put a lemon slice
inside, and then run Steam
Bake to remove the odor more
quickly.
NQ70M7770D_AA_DE68-04447A-00_EN.indd 79 1/19/2017 12:01:20 PM
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