Medium
ALL 62 on Sime Murelle Revolution 30

Your boiler is signalling that it needs to perform an automated internal setup process to ensure it is burning fuel safely and efficiently.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Self-calibrating procedure is required

From this model's manual
Verified against the Sime Murelle Revolution 30 installation & service manual, page 63.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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Related fault codes

ALL 60View →ALL 61View →

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