Low
S.88 on Glow-worm Ultimate3 Combi

Your boiler is currently running a routine automated process to clear trapped air from the system, which happens after a recent refill or restart.

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

Productpurgingactive

From this model's manual
Verified against the Glow Worm Ultimate3 Combi installation & service manual, page 45.
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 for the boiler to complete its cycle, which usually takes a few minutes.Do not turn the boiler off while the status code is displayed.If the boiler does not resume normal operation after 15 minutes, restart it using the reset button.

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