Low
50/70kW on Worcester Bosch Utility

This code indicates your boiler is a high-output commercial-grade model and is showing its power rating rather than a fault, meaning the system is operating normally.

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.

What the manual says

Manufacturer manual

Output 50/70kW

From this model's manual
Verified against the Worcester Bosch Greenstar Camray Utility installation & service manual, page 15.
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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