Ruud
Electrical Overload or Short Circuit
Furnace frequently trips the household circuit breaker.
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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
Shorted blower motor windings, Shorted inducer motor, Pinched line-voltage wiring, Oversized or incorrect replacement breaker
How to Fix / Troubleshooting
Safety: Repeated breaker tripping is a fire hazard. Do not keep resetting the breaker without finding the cause.
Steps to check:
- Visual inspection: With power off, inspect wiring inside the furnace for burnt insulation, loose connections, or wires rubbing on sharp metal edges.
- Isolate components: A technician can disconnect blower and inducer motors one at a time to identify the faulty component.
- Verify breaker size: Ensure the breaker amperage matches the Ruud furnace nameplate rating.
- Call a professional: Motor and wiring shorts require professional testing and replacement.
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Repair Difficulty
Professional Required
5/5
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