Thermo Pride
Overheating Components or Electrical Fault
Strong burning or electrical smell when furnace runs.
Advertisements
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.
Advertisements
Possible Causes
Dust burning off heat exchanger, Overheating blower motor on Thermo Pride furnace, Loose electrical connections causing arcing, Foreign objects in supply ducts
How to Fix / Troubleshooting
Safety First: If you smell burning plastic, electrical, or see smoke, turn off power immediately and do not operate the furnace.
- Initial seasonal odor: A mild burning dust smell at first startup of the season is normal and should dissipate within an hour.
- Inspect blower motor: Check for signs of overheating (discoloration, burnt smell) and ensure the motor spins freely.
- Check wiring: Look for melted insulation or loose connections at the control board, blower, and inducer.
- Call a professional: Persistent burning or electrical odors require immediate professional diagnosis to prevent fire risk.
Advertisements
Repair Difficulty
Hard
4/5
Advertisements