Medium
51 on Alpha E-Tec NX

Your boiler has lost its wireless connection to the temperature control unit in your home, meaning 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

From this model's manual
Verified against the Alpha E Tec Nx installation & service manual, page 49.
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

Locate the wireless thermostat unit inside your home and check if the batteries need replacing.Turn the power to the boiler off at the fused spur for 60 seconds, then turn it back on to reset the connection.Follow the manufacturer's pairing procedure in your thermostat manual to reconnect the boiler and the remote control unit.

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