Thermo Pride
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, Short in Thermo Pride control board, Incorrect breaker size or shared circuit overload
How to Fix / Troubleshooting
Safety First: Repeated breaker tripping is a fire hazard. Do not keep resetting without finding the cause.
- Visual inspection: Look for burnt wires, melted insulation, or scorch marks inside the furnace electrical compartment.
- Isolate components (advanced): A technician can disconnect blower and inducer motors to identify which component is causing the overload.
- Check breaker rating: Verify the breaker size matches the furnace nameplate requirements.
- Professional service: Motor or board replacement and wiring repairs should be done by a qualified technician.
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Repair Difficulty
Professional Required
5/5
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