Medium
51 on Alpha Intec2 25 28XE

Your boiler is struggling to talk to your wireless thermostat, which means it doesn't know when to turn your heating on or off.

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

Climatic RF communication fault. Error between communication of the Climatic transmitter and boiler receiver

From this model's manual
Verified against the Alpha Intec2 25 28xe 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.

DIY fix possible

Replace the batteries in your wireless room thermostat unit.Power cycle the boiler by switching it off at the fused spur for 60 seconds and turning it back on.Attempt to re-pair the thermostat to the receiver unit using the manual/sync button.

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