BoilerFaultCodesYour boiler's internal computer has detected a general electrical communication error and is unable to operate correctly.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Boiler electr. system fault
What causes this fault?
This fault occurs when the boiler's main control board loses communication with the internal sensors and components it needs to manage the heating process. The most common reasons are an internal electrical short circuit, loose connection pins on the wiring harness, or a failure of the central processor itself.
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 2914 — 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.