Low
d.94 on Glow-worm Energy7 Combi

Your boiler's memory has been cleared, which is a maintenance action rather than a sign of a new 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

Delete fault list

From this model's manual
Verified against the Glow Worm Energy7 Combi installation & service manual, page 50.
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

This code appears automatically when the fault history is reset.No action is required if your boiler is currently heating your water and radiators correctly.If you did not initiate a reset, simply monitor the boiler to ensure it continues to operate normally.

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