C-80
Samsung
Internal Communication / Software Error
Oven displays C-80 and may not start or may shut down shortly after starting.
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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
Firmware glitch in main PCB, Corrupted memory, Electrical noise or surge, Faulty main PCB
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before extended troubleshooting.
- Extended power reset:
- Turn off the breaker for at least 10–15 minutes.
- Restore power and test basic bake operation.
- Check for other symptoms:
- Note any unusual display behavior, random beeping, or intermittent shutdowns.
- Firmware update (if supported):
- Some newer Samsung smart ovens may receive firmware updates via Wi‑Fi or USB. Check the Samsung support site for your model.
- Replace main PCB: If the error recurs frequently and no other hardware faults are found, the main PCB is likely defective and should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Main Relay Control Board
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