Glow-worm Ultimate3 Combi 30kW Gas Boiler | Travis Perkins
Glow Worm F1 Fault Code - F1 Glow Worm Boiler Error Code Fix
Glow Worm Boiler Fault F.28 - It sounds like the boiler is trying to ignite, and having short bursts of ignition but not maintaining it. Any ideas? Can I fix it myself? :
Glow Worm Boiler Not Working - Fault Codes & Testing - Multi Meter - YouTube