- Check incoming power—should be 240V at main input before replacing board.
- Inspect old board for burn marks, corrosion, or swollen components.
- Label all connectors if unsure—incorrect wiring can damage board.
- If surge damage is suspected, check bake/broil elements and sensors for collateral failure.
- Use anti-static protection when handling new board.
- If oven is still dead after replacement, check touchpad/membrane and thermal fuse.
- Update firmware if required after board replacement (see service manual).
- Document installation for warranty and troubleshooting.
- Clear persistent errors by unplugging oven for 5+ minutes.
- Test all oven functions and clock before returning to service.
- Keep spare boards in stock for high-turnover rental or commercial units.
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