Medium
Pump runs on Alpha 240E / 280E

Your boiler's water pump is running constantly, which suggests the unit is stuck in a cycle trying to clear air or respond to a faulty thermostat signal.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Follow section 'B' fault finding

From this model's manual
Verified against the Alpha 240e 280e installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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