TROUBLESHOOTING GUIDE (CONT’D)
PROBELM
POSSIBLE CAUSE
TEST PROCEDURE OR
CORRECTION
MICROWAVE COOKING CONDITION (CONT’D)
Oven does not cook properly when Defective control unit.
Procedure L.
programmed for MED LOW/
DEFROST, MED or MED HIGH
Defective key unit.
Procedure L.
cooking powers. Open or loose wiring between above
(Operates properly on HIGH)
components.
Check and,repair wiring.
CONVECTION COOKING CONDITION
CONV indicator lights but oven
does not go into cook cycle
when cook pad is touched.
CONV indicator lights, but
heating element does not heat.
Temperature in the oven cavity is
lower or higher than preset.
Defective key unit,
Procedure L.
Defective thermistor.
Procedure N.
Open wiring in circuit to above
Check wiring.
components.
Defective heating element
Procedure M.
Defective heater relay.
Procedure J.
Defective relay unit.
Procedure
0.
Defective control unit.
Procedure L.
Open or loose wire connection to the
above components.
Check wiring.
Defective magnetron therm0 cut-out.
Procedure I
Defective heating element.
Procedure M.
Defective control unit.
Procedure L.
Defective convection motor.
Replace.
Defective thermistor.
Procedure N.
Defective damper motor.
Procedure 0.
Defective damper switch.
Procedure P.
Defective drive mechanism of convection
Check.
fan.
53
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