Trane
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, Shorted control board, Incorrect breaker size
How to Fix / Troubleshooting
Safety: Do not repeatedly reset a tripping breaker. This is a fire hazard.
Steps to check:
- Visual inspection: With power off, inspect wiring for obvious shorts or burned insulation.
- Isolate components (advanced): A technician can disconnect blower or inducer to isolate the fault.
When to call a professional: Breaker trips indicate a serious electrical issue. Contact a licensed HVAC technician and possibly an electrician.
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Repair Difficulty
Professional Required
5/5
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