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PROBLEM | POSSIBLE CAUSE | TEST PROCEDURE OR |
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| CORRECTION |
COOKING CONDITION
Oven lamp does not light in cook cycle.
(Does light when door is opened)
Oven lamp does not light at all.
Oven lamp lights, but turntable motor does not operate.
Turntable motor operates normally but cooling fan motor does not operate
MICROWAVE
Oven does not go into a cook cy- cle when START pad is touched.
Oven seems to be operating but little or no heat is produced in
oven load.( Food incompletely cooked or not cooked at all at end
of cook cycle.)
Oven goes into a cook cycle but
extremely uneven heating is produced in oven load(food).
Oven does not cook properly when programed for MEDIUM etc. cooking powers.
(Operates properly on HIGH)
Oven does not cook properly when programed in EASY DE- FROST cooking mode.
Defective | relay | (RY2) | on | relay | Procedure | N. |
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Defective | CPU | unit. |
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| Procedure | 0. |
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Burned | out | bulb. |
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| Replace |
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Open | wiring | of | oven | lamp. |
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| Check | and | repair | wiring | ||||
Open | or | loose |
| wiring |
| to turntable | motor. | Check | and | repair | wiring | |||||
Defective | turntable | motor. |
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| Replace |
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Defective | cooling | fan | motor. |
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| Replace. |
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Defective | relay | (RY5) | on | relay | Procedure | N. |
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unit. |
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Open | or | loose |
| wiring |
| to fan | motor |
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| Check | and | repair | wiring | |||
Upper | latch |
| switch |
| and/or | lower | latch | Procedure | E. |
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switch defective or out adjustment. |
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Defective | cook relay (RYI ) on relay unit. | Procedure | N. |
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Defective | CPU | unit. |
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| Procedure | 0. |
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Defective | key | unit. |
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| Procedure | P. |
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Open | or | loose |
| wiring | to | above | compo- | Check | and | repair | wiring | |||||
nents. |
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Defective | magnetron. |
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| Procedure | A. |
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Defective | cook relay (RYI ) on relay unit. | Procedure | N. |
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Defective | power | transformer. |
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| Procedure | B. |
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Defective | high |
| voltage | rectifier. |
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| Procedure | C. |
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Defective | high |
| voltage | capacitor. |
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| Procedure | 0. |
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Defective | CPU | unit. |
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| Procedure | 0. |
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Open | or | loose |
| wiring | to | above | compo- | Check | and | repair | wiring | |||||
nents. |
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Turntable | motor | does | not | operate. |
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| Replace turntable | motor or | ||||||||
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| check | and | repair | wiring. |
Defective | CPU | unit. |
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| Procedure | 0. |
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Defective | key | unit. |
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| Procedure | P. |
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Open | or | loose |
| wiring | to | above | compo- | Check | and | repair | wiring | |||||
I nents. |
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Defective | EASY | DEFROST |
| function. |
| Refer | to | EASY | DEFROST | |||||||
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| section | in | operation manual | |
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| and check | CPU unit. | ||
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