High
E01 553 on Ideal Mexico CF3 40 & 50

Your boiler has failed to ignite or stay lit, which means you currently have no heating or hot water, and a gas-safe engineer is required to investigate the internal ignition system.

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

BRAY Cat. 10 - size 2000 CF 3/140

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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