Intial Power-Up
(Door Open)
Connect Power Cord
Open Door
Close Door Then Open Door
Yes
Operation Normal
TROUBLESHOOTING CHART
No
No
1. No power applied to power cord.
2. Oven fuse open.
3. Main board control fuse.
4. Inoperative magnetron TCO.
5. Inoperative cavity TCO.
6. Broken or loose wire.
7. Inoperative control transformer.
8. Ribbon connector.
9. Inoperative display board.
1. Check interlock switches.
2. Check T1 connection.
3. Check J1-1 connection.
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