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19
Repair and maintenance
Before maintenance, please read the following carefully if your microwave oven
requires maintenance.
The following conditions are normal
●
Microwave oven interferes with TV reception.
What interferes with radio and television is the electromagnetic wave generated by high-voltage transformers.
This may also occur in some small electrical appliances and is not microwave oven failure. Toshiba microwave
oven is equipped with an anti-leakage device of triple safety, and the microwave leakage is far below the national
safety standard.
Please use a special instrument to test the microwave leakage.
●
The microwave oven lights are dim.
If you choose "Microwave high setting" during cooking, the light inside will become dim and the oven will gener-
ate sound, which is normal.
●
The oven generates light and wind during cooking.
An operating microwave oven will dissipate heat simultaneously, therefore, hot air will be discharged around the
door and chassis. It is normal to see lights or smell the odors.
●
Steam accumulates in the oven door and hot air is discharged from the exhaust port.
The steam from the food will be discharged from the exhaust port and condensed on the oven door during
cooking. Or steam may overow from the gap around the oven door. When using functions related to steaming, a
large amount of steam will be generated in the chamber during the machine operation, and some steam may leak
around the door crack, which is normal
●
Operating noises
High voltage transformers, magnetrons and high-speed cooling fans will all generate noises, which is normal.
If the microwave oven cannot be started, please check whether
●
It is not plugged in tightly:
Unplug it and plug it in again after 10 seconds.
●
The fuse blows or the circuit breaker works
Reset the fuse or the circuit breaker (the professional maintenance personnel of our company are responsible for
the repair).
●
There is something wrong with the socket
Use other electrical appliances to test whether there is a problem with the socket. If the microwave oven cannot
be heated, please check whether the oven door is closed. Please pay attention to closing the oven door.
Your microwave oven requires regular cleaning and maintenance.
● Please unplug the microwave oven promptly after use. Do not put it near the fire or immerse it in water. Do not
put the power cord and plug directly on the cover to prevent the waste heat of the cover from damaging the
power cord.
● Clean the microwave oven after it cools down. The microwave oven shall be cleaned regularly and all food resi-
dues inside shall be removed. Unclean microwave ovens will deteriorate the surface of the appliance, which will
affect its service life and may lead to danger.
● The microwave oven shell can be wiped with a cloth dipped with soft detergent (such as detergent), then with a
wet cloth, and finally with a dry cloth to desiccate the oven chamber. It is strictly prohibited to wipe the micro-
wave oven with hard objects such as the steel wire brush. Do not clean the oven door safety lock system. Warning:
Never use a crude detergent or a sharp metal scraper to clean the glass of the microwave oven door, because
doing so may scratch or even crush the glass.
● The oil produced during cooking will corrode the oven chamber and affect the heating, thus changing the food
flavor. Therefore, please clean the oven chamber promptly after use.
● Wash metal baking pans, ceramic pans and metal grills with warm water. Note that after cooking in the microwave
oven for a long time, do not clean it instantly with cold water.
● Guided waves of the microwave oven can be divided into side-guided waves and bottom-guided waves. There is a
waveguide port on the right side of the microwave oven chamber. Please keep the waveguide port clean and do
not remove the waveguide cover (mica sheet) to avoid ignition.
● Details for cleaning the door seal, chamber and adjacent fittings; the microwave oven lying idle for a long period
shall be made work for a few minutes under the Roast or lightwave function before reuse to evaporate the
moisture accumulated in it.
● Keep the bottom of the oven chamber clean to avoid the abnormal noises caused by the rotating table during the
operation of the rotary-table microwave oven.
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