Low
P.03 on Glow-worm Easicom 24

Your boiler is currently running a professional test mode to check if it can operate correctly at its maximum power setting.

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

Forcing the burner to Heating Pmax. | The appliance functions at its maximum power after successful ignition.

From this model's manual
Verified against the Glow Worm Easicom 24 installation & service manual, page 26.
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

Wait approximately 15 to 20 minutes for the test cycle to finish automaticallyPress the 'Reset' or 'Mode' button to manually exit the test sequenceTurn the boiler off and back on at the fused spur switch to clear the status code

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