Luxaire Electrical Overheating or Foreign Object in Duct

Furnace emits a strong chemical or burning plastic smell.

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.

Possible Causes

Overheating blower motor, Melted wiring insulation, Plastic object in supply duct, Failed run capacitor overheating

Safety: Turn off power to the furnace immediately. Do not continue to operate until the source is identified.

Steps to check:

Inspect blower compartment: After cooling, remove the blower door and look for discolored or melted wires, burnt components, or a swollen capacitor.
Check nearby ducts: Inspect accessible supply registers for toys, plastic, or other objects that may have fallen in.

Any signs of electrical damage require professional repair and possible replacement of the blower motor or wiring harness.

Hard 4/5

Blower Motor or Run Capacitor

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