F8
Summit
Relay or Power Board Failure
F8 displayed, oven may not heat or may shut off unexpectedly.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Stuck heating relay on control board, Burned relay contacts, Overheated power board, Loose power connections to control
How to Fix / Troubleshooting
Safety first: Disconnect power. High voltage is present on the control board.
- Access control board: Remove the rear panel behind the control area on your Summit range. Locate the electronic oven control/power board.
- Inspect relays: Look for darkened areas, burnt smell, or cracked solder joints around the large relays. Any visible damage indicates the board should be replaced.
- Check terminal screws: Tighten any loose line and neutral connections feeding the control board. Loose connections can overheat and damage relays.
- Replace board: If F8 persists after checking connections, replace the electronic oven control/power board. Transfer each wire one at a time to the new board to avoid miswiring.
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Repair Difficulty
Hard
4/5
Required Part
Electronic Oven Control Board (EOC)
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