Convection Cooking Condition - Sharp R-8000E Service Manual

TROUBLESHOOTING GUIDE (CONT'D)
PROBLEM POSSIBLE CAUSE
TEST PROCEDURE OR
CORRECTION
-1
CONVECTION COOKING CONDITION
Convection lamp does not light
when cook switch is pushed.
Defective cook switch. Replace.
Defective magnetron therm0 cut out.
Defective upper latch switch.
Defective lower latch switch.
Defective covection timer contacts
0-0.
Defective convection lamp.
Open or loose wire connection to the
above components.
Check conductive and replace.
Procedure 3.
Procedure 4.
Procedure Hon GENERAL
Replace.
Check wiring.
Convection lamp lights, but
tumbable motor does not operate.
Defective turntable motor.
Replace.
Convection lamp lights, but
zonvection timer does not operate.
Defective convection tuner contacts
0-B.
Open or loose wire connection.
Defective convection timer.
Open wiring in circuit to the convection
timer.
Procedure H on GENERAL
Check wiring.
Procedure H on GENERAL.
Check wiring.
Convection lamp lights, but heating
element does not heat with setting
temperature at 90°C to 12OOC.
remperature in the oven cavity is
lower or higher than preset
temperature.
Procedure 8.
Procedure 7.
Check wiring.
Procedure 7.
Procedure 8.
Procedure A on GENERAL
Procedure 9.
Check.
Convection lamp Lights, but heater
iamp does not on and off.
-
Defective thermostat.
Defective sheath heater.
Open or loose wire connection to the above
components.
Defective sheath heater.
Defective thermostat.
Defective convection motor.
Defective cam switch.
Defective drive mechanism of convection
fan.
Defective thermostat.
Defective heater lamp.
Open or loose wire connection to the above
components.
Procedure 8.
Replace.
Chek wiring.
21