High
E31 on Baxi Duo-tec Combi

Your boiler has lost the digital connection to its control panel or remote thermostat, preventing it from receiving instructions to heat your home.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Communication fault between PCB and remote control

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

E30View →E32View →

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