American Standard
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 wire in cabinet, Oversized breaker relative to American Standard furnace nameplate
How to Fix / Troubleshooting
Danger: Repeated breaker tripping indicates a serious electrical issue. Do not replace a breaker with a larger size.
- Visual inspection:
- With power off, look for burnt wires or insulation.
- Isolate components:
- A technician can disconnect blower and inducer to identify the failing part.
- Have a licensed electrician or HVAC technician correct wiring and replace faulty motors.
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Repair Difficulty
Professional Required
5/5
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