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English 37
Troubleshooting
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.
• The lamp automatically
turns off after a certain
amount of time to save
power. You can turn it
on again by pressing the
oven light button.
• If the lamp is covered
by foreign matter during
cooking.
• Clean the inside of the
oven and then check.
Electric shock occurs
on the oven.
• If the power is not
properly grounded.
• Check whether the
power supply is properly
grounded.
• If you are using a socket
without grounding.
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.
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.
Problem Cause Action
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. • Close the door and
restart.
• If oven controls are not
correctly set.
• Refer to the chapter on
oven operation and reset
the oven.
• If the household fuse has
been blown or the circuit
breaker has operated.
• Replace the fuse or reset
the circuit. If it happens
repeatedly, call an
electrician.
Smoke comes out
during operation.
• During initial operation. • 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.
• If there is food on the
heater.
• Let the oven cool
sufciently and remove
the food from the heater.
There is a burning or
plastic smell when
using the oven.
• If using plastic or other
containers that are not
heat-resistant.
• Use glass containers
suitable for hot
temperatures.
NV66M3531BS_EU_DG68-00892A-02_EN.indd 37 2018-04-11 6:58:53
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