Weishaupt
Odour / Combustion or Electrical Smell
Boiler emits unusual smells (burning, metallic, or flue gas odour) during operation.
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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
Dust burning off heat exchanger, Flue gas leakage at seals, Overheating electrical component on Weishaupt control, Oil or gas leak at burner connections
How to Fix / Troubleshooting
Safety first: If you smell gas or strong flue gases, switch off the boiler, ventilate the area, and do not use naked flames. Evacuate if necessary.
- Initial operation: A slight burning smell may be normal after installation or servicing as oils and dust burn off. This should dissipate quickly.
- Check flue joints: Inspect visible flue connections for signs of leakage (staining, soot). Do not operate the boiler if flue leaks are suspected.
- Inspect wiring: Look for discoloured or melted insulation on wiring and components. Replace any overheated parts.
- Check for oil/gas leaks: For oil burners, look for wet spots around oil lines. For gas, a licensed technician should perform a leak test.
When to call a professional: Any persistent or strong odour should be investigated by an authorised Weishaupt or heating technician.
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Repair Difficulty
Hard
4/5
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