Medium
E31 on Alpha E-Tec Plus 10 / 18

Your boiler is no longer talking to your external thermostat or remote controller, meaning you might not be able to control your heating properly.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Technical description

Loss of communication with Optional Remote Control

DIY fix possible

Check if the batteries in your room thermostat or remote control need replacingEnsure the remote control is within range of the boiler and has not been movedTry resetting the boiler by turning the selector switch to 'RESET' and back

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