Low
d.94 on Glow-worm Ultimate3 Combi

Your boiler's memory has been cleared of past error messages, which is simply a routine maintenance or reset procedure rather than a current hardware fault.

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

Deletefaultlist

From this model's manual
Verified against the Glow Worm Ultimate3 Combi installation & service manual, page 44.
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

No action is required as this is a status code confirming the error history has been wiped.If the boiler is operating normally, you can continue to use it as usual.

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