Unknown
F.28 on Glow-worm ULTIMATE 2 30C

Glow-worm ULTIMATE 2 30C fault code F.28

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

After three successive failed ignition attempts, the system switches to fault mode

From this model's manual
Verified against the Glow Worm/Glow Worm Ultimate Combi Operating Instructions 1042663 Pdf installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 2 fault codes on the ULTIMATE 2 30C

Seeing a different code? Every code this model can display, in one place.

F.22

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