Ravenheat
Overheating Components / Electrical Overheat
A strong metallic or burning smell is noticeable around the furnace 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, Overheating fan motor, Loose electrical connection arcing, Over-firing burner
How to Fix / Troubleshooting
Safety: If you see smoke or suspect an electrical burning smell, switch off power immediately and do not use the furnace.
User checks:
- New or recently serviced furnaces may emit a temporary smell as dust burns off; this should dissipate after a short period.
- If the smell is strong, persistent, or accompanied by noise, shut down the unit and call a technician.
Technician checks:
- Inspect wiring and terminals for signs of overheating or discoloration.
- Check fan motor temperature and current draw.
- Verify combustion settings and heat exchanger cleanliness.
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Repair Difficulty
Medium
3/5
Required Part
Combustion Fan Assembly
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