Code 92
Rinnai
Combustion Fan Speed / Feedback Error
Unit displays Code 92 and may not modulate correctly
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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
Incorrect fan speed feedback, Faulty fan motor sensor, Control board error, Obstructed fan
How to Fix / Troubleshooting
Safety first: Turn OFF power and gas.
Steps to check:
- Inspect fan and vents: Ensure the fan spins freely and vents are clear.
- Check fan wiring: Verify connectors are secure and wiring is intact.
- Reset and test: Restore power and gas and reset the unit.
When to call a professional: A technician should test fan speed feedback and replace the fan motor or control board if necessary.
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Repair Difficulty
Hard
4/5
Required Part
Combustion Fan Motor
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