D.22 Low
Your boiler is currently providing hot water to your taps or shower, which is a normal status message rather than an actual fault.
Technical description: Hot water demand
Typical repair cost: £0 (including labour)
DIY fix possible
Check if a hot water tap is accidentally left runningEnsure there are no dripping taps or leaking hot water pipesSimply wait for the message to disappear once you finish using hot water
Protect yourself from future repair bills
A boiler cover plan would cover faults like D.22 — no call-out fees, no surprises.
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