BoilerFaultCodesYour boiler is not broken; it is simply performing a routine preparation step to ensure everything is ready before it begins heating your water.
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Hotwaterhandlingmode:Pumppre-run
What causes this fault?
This status code appears when the boiler is getting ready to provide hot water. It activates the internal pump for a few moments to ensure there is proper water circulation before the burner fires up. This is a standard safety and efficiency check rather than a mechanical failure.
DIY fix possible
No action is required.Wait approximately 60 seconds for the boiler to complete its cycle and start providing hot water.
Find a Gas Safe engineer
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A boiler cover plan would cover faults like S.22 — no call-out fees, no surprises.
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