High
Red 0.2s ON on Worcester Bosch Danesmoor

Your boiler's reset button is either stuck or sending a constant signal, which is preventing the system from restarting correctly.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Reset pushbutton or remote reset failure. Remote reset / pushbutton is activated for more than 60 seconds. When anomaly appears the burner does not stop

From this model's manual
Verified against the Worcester Bosch Danesmoor installation & service manual, page 56.
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 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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