Convection Cooking Condition - Sharp R-8320E Service Manual

PROBELM
MICROWAVE COOKING CONDITION (CONT'D)
Oven does not cook properly when
programmed for MED LOW/
DEFROST, MED or MED HIGH
cooking powers.
(Operates properly on HIGH)
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.
TROUBLESHOOTING GUIDE (CONT'D)
POSSIBLE CAUSE
Defective control unit.
Defective key unit.
Open or loose wiring between above
components.

CONVECTION COOKING CONDITION

Defective key unit,
Defective thermistor.
Open wiring in circuit to above
components.
Defective heating element
Defective heater relay.
Defective relay unit.
Defective control unit.
Open or loose wire connection to the
above components.
Defective magnetron therm0 cut-out.
Defective heating element.
Defective control unit.
Defective convection motor.
Defective thermistor.
Defective damper motor.
Defective damper switch.
Defective drive mechanism of convection
fan.
53
TEST PROCEDURE OR
CORRECTION
Procedure L.
Procedure L.
Check and,repair wiring.
Procedure L.
Procedure N.
Check wiring.
Procedure M.
Procedure J.
Procedure 0.
Procedure L.
Check wiring.
Procedure I
Procedure M.
Procedure L.
Replace.
Procedure N.
Procedure 0.
Procedure P.
Check.