High
E 29 on Ideal Imax W

Your boiler's fan is malfunctioning, preventing it from safely clearing gases before ignition, so the system has locked out to protect your home.

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

Tacho signal from fan does not reset to zero

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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