Atlantic
Electrical Short or Overload
Boiler frequently trips the electrical breaker or blows fuses when starting or during operation.
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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 pump or fan motor, Water ingress into electrical components, Shorted PCB, Incorrect fuse rating
How to Fix / Troubleshooting
Safety: Repeatedly resetting a tripping breaker is dangerous. Turn off power and do not use the boiler until inspected.
- Check for visible leaks: Look for water on or near electrical components and wiring.
- Note when trip occurs: Does it trip immediately on power-up, at ignition, or when the pump starts? This helps pinpoint the faulty component.
- Do not up-rate fuses: Never replace a fuse with a higher rating to stop it blowing.
- Professional testing: A technician must insulation-test the pump, fan, and PCB, locate the fault, and replace the defective part.
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Repair Difficulty
Professional Required
5/5
Required Part
Circulation Pump or Combustion Fan or Control PCB
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