S.22 Low
Your boiler is currently moving water through the system to prepare for heating or to cool itself down after use.
Technical description: Pump running
Typical repair cost: £0 (including labour)
DIY fix possible
Wait for 5-10 minutes as the boiler is likely just finishing a cycleCheck that your room thermostat is set to your desired temperatureEnsure there is water pressure in the system if you have a gauge visible
Protect yourself from future repair bills
A boiler cover plan would cover faults like S.22 — no call-out fees, no surprises.
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