BoilerFaultCodes.com
All Ultracom High

Your boiler has lost power or has a major electrical communication error, meaning it cannot operate at all.

Technical description: No display or Er
Typical repair cost: £150-£450 (including labour)

DIY fix possible

Check if your home's main fuse box has tripped a circuit breaker.Ensure the boiler's power switch (usually a fused spur near the unit) is turned on.Verify that your prepaid gas or electricity meter has credit.

Get professional help

Find a Gas Safe registered engineer in your area.

Find a Gas Safe engineer →

Protect yourself from future repair bills

A boiler cover plan would cover faults like All Ultracom — no call-out fees, no surprises.

Most popular
Hometree
from £12.95/month
Get a quote →
HomeServe
from £8.00/month
Get a quote →
Best value
YourRepair
from £7.99/month
Get a quote →

*Affiliate links — we may earn a commission at no extra cost to you. Prices shown are starting prices.

Parts commonly replaced

*Affiliate links — we may earn a commission at no extra cost to you.

Related fault codes