High
E.02 – .17 on Baxi 80e

Your boiler's electronic brain is unable to talk to the valve that controls the gas supply, meaning the system cannot safely light the flame.

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

Loss of communication between gas valve and boiler printed circuit board (PCB) or fault in air/gas unit.

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

E28View →E110View →E160View →

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