Low
P.05 on Glow-worm Energy

Your boiler is currently running an automatic filling or air-removal cycle and will resume normal operation once this 15-minute process completes.

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

Filling the product: The diverter valve is moved to the mid-position. The burner and pump are switched off (to fill or drain the product). If the pressure is lower than 0.05 MPa (0.5 bar) and then is above 0.07 MPa (0.7 bar) for longer than 15 seconds, the automatic purging function is activated. The function is activated for 15 minutes.

From this model's manual
Verified against the Glow Worm Energy installation & service manual, page 28.
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 15 minutes for the automatic purging process to finish.Check your boiler pressure gauge to ensure it is between 1.0 and 1.5 bar.If the code persists, restart your boiler using the reset button.

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