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English 77
Troubleshooting
Symptom Cause Action
Heating including
the Warm function
does not work
properly.
The oven may not work,
too much food is being
cooked, or improper
cookware is being used.
Put one cup of water in a
microwave-safe container and
run the microwave for 1-2
minutes to check whether the
water is heated. Reduce the
amount of food and start the
function again. Use a cooking
container with a at bottom.
The thaw function
does not work.
Too much food is being
thawed.
Reduce the amount of food
and start the function again.
The interior light is
dim or does not turn
on.
The door has been left
open for a long time.
The interior light may
automatically turn off when
the Eco function operates.
Close and reopen the door or
press the Cancel button.
The interior light is
covered by foreign
matter.
Clean the inside of the oven
and check again.
A beeping sound
occurs during
cooking.
If the Auto Cook function
is being used, this
beeping sound means
it's time to turn over the
food during thawing.
After turning over the food,
press the Start button again to
restart operation.
The oven is not level. The oven is installed on
an uneven surface.
Make sure the oven is installed
on at, stable surface.
There are sparks
during cooking.
Metal containers are used
during oven/thawing
functions.
Do not use metal containers.
Symptom Cause Action
The power turns off
during operation.
The oven has been
cooking for an extended
period of time.
After cooking for an extended
period of time, let the oven
cool.
The cooling fan is not
working.
Listen for the sound of the
cooling fan.
Trying to operate the
oven without food inside.
Put food in the oven.
There is insufcient
ventilation space for the
oven.
There are intake/exhaust
outlets on the front and rear of
the oven for ventilation.
Keep the gaps specied in the
product installation guide.
Several power plugs are
being used in the same
socket.
Designate only one socket to
be used for the oven.
There is a popping
sound during
operation, and the
oven doesn't work.
Cooking sealed food or
using a container with a
lid may cause popping
sounds.
Do not use sealed containers
as they may burst during
cooking due to expansion of
the contents.
The oven exterior
is too hot during
operation.
There is insufcient
ventilation space for the
oven.
There are intake/exhaust
outlets on the front and rear
of the oven for ventilation.
Keep the gaps specied in the
product installation guide.
Objects are on top of the
oven.
Remove all objects on the top
of the oven.
The door cannot be
opened properly.
Food residue is stuck
between the door and
oven interior.
Clean the oven and then open
the door.
NQ70M7770D_AA_DE68-04447A-00_EN.indd 77 1/19/2017 12:01:20 PM
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