BoilerFaultCodesYour boiler has likely detected an internal configuration issue or a fault with the control board that manages your hot water settings.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: DHW set value adjustable from 0 to 60°C
What causes this fault?
This fault occurs when there is a communication error or a logic mismatch within the boiler's internal computer system regarding hot water temperatures. It is often caused by a failing electronic control board or a corrupted memory module that can no longer process the correct settings for your taps and showers.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like 67:0 to 67:60 — no call-out fees, no surprises.
Affiliate links — we may earn a commission at no extra cost to you.
Could it be time for a new boiler?
If repair costs are adding up, a new energy-efficient boiler could be the smarter long-term choice.
Affiliate links — we may earn a commission at no extra cost to you.