119
Normal Phenomena
Microwave oven interfering TV reception
Radio and TV reception may be aected when
the microwave oven is operating. It is similar to
the interference of small electrical appliances, like
mixer, vacuum cleaner and electric fan. It is normal.
Dim oven light
During low power microwave cooking, the oven light
may become dim. It is normal.
Steam accumulating on door, hot air out of vents
During cooking, steam may come out of food. Most
of steam will escape from the vents. But some of
them may accumulate on positions like the oven
door. It is normal.
Oven operated accidentally with no food in.
It is forbidden to operate the appliance without any
food inside. Failure to do so can cause damage to
the interior of the oven.
Problem Possible Cause Solution
Oven cannot be operated.
Power cord not plugged in tightly.
Unplug the appliance then plug it
in again after 10 seconds.
There is something wrong with
the mains socket.
Test the mains socket by plugging
another appliance in.
Oven does not heat up. Door not closed well. Close door well.
Glass tray makes noise when
microwave oven operates.
Dirty roller and oven bottom.
Refer to ‘CLEANING AND
MAINTENANCE’ to clean dirty
parts.
Glass tray is not positioned
properly.
Position the glass tray properly.
• Magnetron
• High voltage transformer
• High voltage capacitor
• High voltage diode
• High voltage fuse
3. The following conditions may cause undue microwave exposure during
servicing.
Improper fitting of magnetron;
Improper matching of door interlock, door hinge and door;
Improper fitting of switch support;
Door, door seal or enclosure has been damaged.
KE204W-IB.indd 119KE204W-IB.indd 119 6/2/2023 10:38 AM6/2/2023 10:38 AM
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