Beretta
Electrical Short Circuit / Overcurrent
Furnace frequently trips the household circuit breaker or blows fuses
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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 fan motor, Shorted gas valve coil, Damaged wiring harness, Faulty control board
How to Fix / Troubleshooting
Safety: Do not repeatedly reset a breaker that trips immediately. Risk of fire or shock.
- Visual inspection: With power off, inspect all visible wiring for damage, melted insulation, or signs of arcing.
- Isolate components: A technician can disconnect major loads (fan, gas valve) one by one to identify the faulty component.
This fault requires professional electrical diagnosis.
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Repair Difficulty
Professional Required
5/5
Required Part
Circulation Fan Motor
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