Low
Light on on Worcester Bosch 35 RSF

Your boiler is working normally and is currently heating your home as requested by your thermostat.

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

Heating demand on boiler is OK

From this model's manual
Verified against the Worcester Bosch 35 Rsf installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check your thermostat is set to the temperature you wantWait for the house to reach temperature, at which point the light will turn offNo action is required as this indicates normal operation

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