High
153 on Baxi 400 Combi (range)

Your boiler has been manually reset or had its lock released, but it may have hit the maximum number of reset attempts allowed by the system.

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

Forced reset unit unlocked

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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