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English 53
Troubleshooting
Problem Cause Action
The brightness inside
the oven varies.
• The brightness
changes depending on
power output changes.
• Power output changes
during cooking are not
malfunctions, so there
is no need to worry.
Cooking is nished,
but the cooling fan is
still running.
• The fan automatically
runs for a certain
amount of time to
ventilate inside the
oven.
• This is not a product
malfunction, so there
is no need to worry.
The oven does not
heat.
• If the door is open
• If oven controls are
not correctly set
• If the household fuse
has been blown or the
circuit breaker has
operated
• Close the door and
restart.
• Refer to the chapter
on oven operation and
reset the oven.
• Replace the fuse or
reset the circuit. If it
happens repeatedly,
call an electrician.
Smoke comes out
during operation.
• During initial
operation
• If there is food on the
heater
• Smoke may come
from the heater
when you rst use
the oven. This is not
a malfunction, and if
you run the oven 2-3
times, it should stop
happening.
• Let the oven cool
sufciently and
remove the food from
the heater.
Problem Cause Action
The oven exterior
is too hot during
operation.
• If the oven is installed
in a place without
good ventilation
• Keep the gaps
specied in the
product installation
guide.
The door cannot be
opened properly.
• If there is food residue
stuck between the
door and product
interior
• Clean the oven well
and then open the
door again.
The interior light is
dim or does not turn
on.
• If the lamp turns on
and then off
• If the lamp is covered
by foreign matter
during cooking
• The lamp
automatically turns off
after a certain amount
of time to save power.
You can turn it on
again by pressing
Oven light.
• Clean the inside of the
oven and then check.
There is electricity
coming from the
machine.
• If the power supply is
not properly grounded
• If you are using
a socket without
grounding
• Check whether the
power supply is
properly grounded.
There is water
dripping.
• There may be water
or steam in some
cases depending on
the food. This is not a
product malfunction.
• Let the oven cool and
then wipe with a dry
dish towel.
There is steam
through a crack in
the door.
There is water
remaining in the
oven.
NV73N9770RM_EU_DG68-00613K-00_EN.indd 53 4/12/2018 2:19:22 PM
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