Klarstein
Runaway Heating
Smoker overheats beyond the set temperature; food burns even at low settings.
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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
Shorted heating relay stuck ON, Shorted triac, Temperature sensor reading too low, High‑limit thermostat bypassed or failed closed
How to Fix / Troubleshooting
Safety first: Immediately unplug the smoker if it overheats. Do not leave it unattended.
Steps:
- Inspect control board: Look for a stuck relay (you may hear it click once and never release). Burn marks near the heater relay indicate failure; replace the board.
- Check sensor: Test the temperature sensor resistance at room temperature. If it reads much lower than expected, replace it.
- Verify safety devices: Ensure no one has bypassed the high‑limit thermostat or thermal fuse. Restore proper wiring if altered.
Warning: Do not operate the smoker until the cause of runaway heating is corrected.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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