Intergas No Power / Dead Appliance

Boiler display is blank, no lights, unit 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 fuse in spur, Tripped circuit breaker, Loose mains connection, Failed Intergas PCB

How to Fix / Troubleshooting

Safety first: Before opening any covers, confirm the circuit is de-energized.

Steps:

  • Check external power: Verify that the boiler's fused spur is switched on and that the fuse is intact. Check the consumer unit for tripped breakers.
  • Test socket/spur: Plug in another device to confirm power is present at the supply point.
  • Inspect internal connections (technician): Check the mains terminal block inside the boiler for loose wires or signs of overheating.

If power is present at the boiler but the display remains dead, the main PCB is likely faulty and must be replaced by a qualified technician.

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Repair Difficulty

Medium 3/5

Required Part

Intergas main PCB
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