BoilerFaultCodesYour boiler's main internal computer has encountered a communication error and needs a reset to try and clear the glitch.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: System fault boiler electronics / basic controller
What causes this fault?
This fault occurs when the boiler's central control board and the internal display unit stop talking to one another properly. The most common reason is a temporary software glitch or a loose connection in the internal wiring that prevents the computer from sending commands to the heating components.
DIY fix possible
Locate the reset button on the boiler's front control panelPress and hold the reset button for five secondsWait for the boiler to restart and check if the error code has cleared
Find a Gas Safe engineer
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A boiler cover plan would cover faults like 250 — no call-out fees, no surprises.
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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.
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