CONDITION | CHECK | RESULT | CAUSE | REMEDY | |
Outlet has | Check continuity of magnetron | No | Defective mag- | Replace | |
| |||||
proper volt- | Continuity | netron |
| ||
|
| ||||
age Fuse |
|
|
|
| |
does not |
| No | Defective mag- | Replace | |
blow. | Check continuity of | ||||
| |||||
| noise filter board | Continuity | netron |
| |
| Check continuity of | No | Open power sup- | Replace | |
|
| ||||
| power supply cord | Continuity | ply cord |
| |
|
| Normal | Defective touch | Replace | |
|
|
|
| ||
|
|
| control circuit |
|
NOTE
All these switches must be replaced at the same time, please refer to “Interlock Mechanism And Adjustment”.
(TROUBLE 2) Display shows all figures selected, but oven does not start cooking, even though desired program and time are set and start button is tapped.
CONDITION
Turn table motor and oven lamp do not turn on
CHECK
Check continuity of primary inter-
lock switch
Check continuity of secondary
interlock switch
Check D.C. voltage being sup-
plied to RELAY (RY2) coil
RESULT |
|
| CAUSE |
|
| REMEDY |
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No |
|
| Malfunction of pri- |
|
| Adjust or |
Continuity |
|
| mary interlock |
|
| replace |
|
|
| switch |
|
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| |
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|
| |
No |
|
| Malfunction of sec- |
|
| Adjust or |
Continuity |
|
|
|
| replace | |
|
| ondary interlock |
|
| ||
|
|
|
|
|
| |
|
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| switch |
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| |
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| ||
0 V |
| Defective touch |
|
| Replace | |
|
|
|
| |||
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|
|
| |
|
|
|
|
|
| |
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|
| control circuit |
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Approx. |
|
| Faulty contacts of |
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| Replace |
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|
|
| |||
|
|
|
| |||
|
|
|
|
| ||
12 VDC |
| RELAY (RY2) or |
|
|
| |
|
|
| open relay coil |
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| |
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18
