F1
Peerless
Fan / Inducer Failure
Boiler displays F1 and will not start; fan may not run
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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
Failed inducer motor, seized fan wheel, faulty fan relay on control board, blocked fan housing
How to Fix / Troubleshooting
Safety first: Disconnect power. Do not attempt to force the fan to run with power applied.
Steps:
- Access inducer: Remove the combustion cover to access the inducer fan assembly.
- Check for obstruction: Inspect the fan wheel for debris, insulation, or broken pieces. Remove any obstruction.
- Spin test: Rotate the fan wheel by hand. It should spin freely without grinding. If stiff or seized, the inducer must be replaced.
- Check wiring: Verify the inducer motor plug is fully seated and wires are not burned.
- If motor does not start: A technician should test voltage at the inducer terminals when there is a call for heat. If proper voltage is present and the motor does not run, replace the inducer assembly.
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Repair Difficulty
Hard
4/5
Required Part
Inducer fan assembly
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