No lights on High
Your boiler has no power, which means the display and all functions are completely dead.
Technical description: Electricity fault
Typical repair cost: £70-220 (including labour)
DIY fix possible
Check if your home's main fuse box has a tripped circuit breakerEnsure the boiler's power switch is turned on and the fuse in the wall spur hasn't blownVerify that your prepaid gas or electric meter has credit
Protect yourself from future repair bills
A boiler cover plan would cover faults like No lights on — no call-out fees, no surprises.
*Affiliate links — we may earn a commission at no extra cost to you. Prices shown are starting prices.
Parts commonly replaced
- Fuses
- Printed Circuit Board (PCB)
- Wiring Loom
*Affiliate links — we may earn a commission at no extra cost to you.