17
Open Door
Yes
TROUBLESHOOTING CHART
Intial Power-Up
(Door Open)
No
No
Operation Normal
Close Door Then Open Door
Connect Power Cord
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.