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4. Troubleshooting
Loud buzzing noise can be heard.
Loud buzzing noise
can be heard
Loose fan and fan motor
Tighten screws of fan motor.
Tighten screws of H.V.Transformer.
Replace H.V.Diode.
Loose screws on H.V.Transformer
Shorted H.V.Diode
Turntable motor does not rotate.
Turntable motor does
not rotate.
Open or loose wiring of
turntable motor.
Replace turntable motor.
Defective turntable motor
Oven stops operation during cooking.
Oven stops operation
during cooking
Open or loose wiring of primary
interlock switch
Adjust door and latch switches.
Operation of thermal cutout
(Magnetron)
Sparks.
Sparks
Metallic ware or cooking dishes
touching on the oven wall
Inform the customer
: Do not use any type of
cookware with metallic trimming
Ceramic ware trimmed with gold or
silver powder also causes sparks
Uneven cooking.
Uneven cooking
Uneven intensity of microwave due
to its characteristics
Wrap thinner parts of the food with aluminum foil.
se plastic wrap or cover with a lid.
Stir once or twice while cooking foods such as
soup, cocoa, or milk.
Noise from the turntable motor when it starts to operate.
Noise from the
turntable motor when
it starts to operate.
Noise may result from the motor
Replace turntable motor.
