Baxi Electrical Short / Overcurrent

Boiler frequently trips the electrical circuit breaker or blows the fuse

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.

Possible Causes

Shorted pump or fan motor, Water ingress into wiring or PCB, Damaged cable insulation, Faulty PCB causing overcurrent

Safety first: Repeated tripping indicates a fault. Do not keep resetting the breaker.

User checks:

Turn off the boiler at the fused spur and do not turn it back on until inspected.
Check for obvious signs of water leaks around the boiler that may be affecting electrics.

Professional actions:

An engineer will test the pump, fan, and PCB for electrical faults, dry any moisture, and repair or replace damaged components.

Hard 4/5

Circulation Pump

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