Atlantic No Power / Dead Boiler

Boiler does not start at all, no lights or display, as if completely dead.

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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

Blown internal fuse, Tripped external breaker, Faulty mains switch on boiler, Failed control PCB power supply

How to Fix / Troubleshooting

Safety: Only qualified persons should work on mains circuits. Do not bypass fuses.

  • Check external power: Verify that the circuit breaker or fused spur supplying the boiler is ON and the fuse is intact.
  • Test another appliance: Plug a lamp or tester into the same outlet or circuit to confirm power is present.
  • Inspect boiler switch: Ensure the boiler's main power switch is in the ON position.
  • Professional repair: If power is present but the boiler is dead, an internal fuse or the PCB power supply may have failed and must be replaced by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Main Control PCB
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