PROBLEM
POSSIBLE CAUSE
TEST PROCEDURE OR
CORRECTION
I
COOKING CONDITION
Turntable motor does not operate Defective turntable motor.
Replace.
with cook switch depressed.
Defective oven therm0 cut-out.
Procedure 5.
I
Defective magnetron therm0 cut-out.
I
Procedure 5.
I
I
Defective cook switch.
I
Replace.
I
Open or loose wire connection to the above
components.
Check wiring.
Browner indicator light does not light
and no heating, but turntable motor
operates.
,(Microwave timer is at “0” position)
Defective primary interlock switch.
Defective microwave timer switch contacts.
Defective browner timer switch contacts.
Procedure 3.
Procedure H on GENERAL.
Procedure H on GENERAL.
Open or loose wire connections to the above
components.
Check wiring.
Browning element does not operate,
but the browner indicator light
operates.
Browning cycle operates normally, but
microwave cooking cycle does not
operate properly.
(Variable cooking mode selector is at
“FULL POWER” position.)
Defective browning element.
Open or loose wire connection.
Defective microwave timer switch contacts.
Defective vari-switch.
Defective power transformer.
Defective magnetron assembly.
Defective surge limiting relay.
Open or loose wire connection to the above
components.
Procedure 8.
Check wiring.
Procedure H on GENERAL.
Procedure 6.
Procedure 2.
Procedure 1.
Procedure 9.
Check wiring.
Microwave cooking cycle operates
normally when the mode selector is
set at “FULL POWER” position, but
not in any other mode.
Oven goes into microwave (browning)
cooking cycle, but microwave
(browner) timer does not time out.
Defective vari-motor.
Open or loose wire connection.
Defective variable cooking mechanism.
Defective microwave (browning) timer.
Open or loose wire connection.
Procedure 7.
Check wiring.
Check.
Procedure H on GENERAL.
Check wiring.
-
Oven goes into cook cycle, but extreme-
Turntable motor does not operate.
Replace the motor or check wiring.
1~ uneven heating is produced in oven load.
---. -.-
Oven goes into cook cycle, but the
Defective light.
Replace.
microwave or browner indicator light ---_-__ -
does not light.
Open or loose wire connection.
Check wiring.
Oven goes into cook cycle, but shuts
Defective magnetron (oven) therm0 cut-out.
Procedure 5.
down before end of the cycle.
Open or loose wire connection.
Check wiring.
6
12