E6
Klarstein
Main Control Board Failure
Display shows E6 and the smoker does not power the fan or heating element; sometimes accompanied by a burning smell previously.
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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
Burned relay contacts on control board, Surge‑damaged PCB components, Shorted component on low‑voltage side, Moisture or grease contamination on PCB
How to Fix / Troubleshooting
Safety first: Unplug the smoker. Do not continue to operate if you smelled burning electronics.
Steps:
- Access the control board: Remove the rear or side service panel to expose the main PCB assembly.
- Visual inspection: Look for darkened areas, cracked components, or bulging capacitors. Check the solder side for burnt traces.
- Check connectors: Ensure all harness connectors are fully seated and not heat‑damaged. Reseat each connector once.
- Smell test: A strong burnt electronics smell localized to the board usually confirms PCB failure.
- Replace the board: If visible damage or persistent E6 is present, replace the main control board with the correct Klarstein part number. Transfer any wiring one connector at a time to avoid mis‑wiring.
Note: If the failure followed a power surge, consider using a surge protector with the replacement board.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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