Low
358 on Worcester Bosch 1000

Your boiler is automatically running a short maintenance cycle to prevent its internal pump from getting stuck while it's not currently being used.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Anti-seizing functn. active

What causes this fault?

Component protection active

Engineer required

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

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