Bryant Blower-Induced Flame Disturbance or Ground Fault

Furnace ignites and runs but shuts off when the blower starts; burners relight after blower stops.

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

Improper burner flame pattern, inadequate combustion air, loose ground connection, blower creating negative pressure in burner area

Safety warning: Flame disturbance can lead to rollout and CO issues. Proceed cautiously.

Inspect flame: Observe burner flame when the blower starts. If flames lift or flicker excessively, shut down the furnace.
Check cabinet sealing: Ensure burner compartment door is properly installed and gaskets are intact.
Verify ground: Tighten ground screws on the furnace cabinet and control board.

This condition requires a professional to evaluate combustion air, venting, and burner alignment.

Professional Required 5/5

Burner Assembly

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