High
F.24 on Vaillant Combi Compact 282EB

Your boiler is not circulating enough water through the system, causing it to overheat and shut down for safety.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Low water / Pump Failure / Blockage

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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