Low
55 -- 55 on Worcester Bosch Greenstar R29 40 HE

Your boiler is currently running at its highest intensity as part of a technical testing or override mode, rather than experiencing a standard mechanical failure.

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

Continuous working at the maximum power (Special programme visualisation)

Engineer required

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

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