(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run. (Display operates properly)
CONDITION
No microwave oscillation.
CHECK
Disconnect the wire leads from relay and check continuity of relay. (Operate the unit)
RESULT
No continuity.
Continuity.
CAUSE
Defective PCB assembly.
Replace Inverter and Magnetron.
REMEDY
Replace PCB assembly.
NOTE : • Make sure the wire leads correct position.
•When Removing the lead wires from the parts, be sure to grasp the connector, not the wires.
•When removing the magnetron, be sure to install the magnetron gasket in the correct position and in good condition.
Output is full power when you set lower power level.
Disconnect the lead wires from
relay and check continuity relay . (Operate the unit)
Abnormal.
Defective PCB assembly.
Replace PCB assembly.
