S.26 Low
Your boiler is simply cooling itself down by running the fan after you have finished using hot water.
Technical description: DHW mode – fan overrun
Typical repair cost: £0 (including labour)
DIY fix possible
No action is required as this is a normal operating status and not a fault.Wait a few minutes for the fan to stop automatically.If the fan never stops, contact a Gas Safe engineer to check the control board.
Protect yourself from future repair bills
A boiler cover plan would cover faults like S.26 — no call-out fees, no surprises.
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