Medium
E31 on Halstead Netaheat 10/16E

Your boiler is having trouble 'talking' to its external wall-mounted controller, meaning it has stopped responding to your temperature settings.

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

Remote control communication error (if fitted)

Engineer required

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

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Related fault codes

E30View →

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