Boiler fault codes
Glow-worm fault codes
Type your code below. Each page explains the meaning, what is safe to try yourself, and when to stop and call a Gas Safe engineer.
No match. Call us with the code and we will tell you what it means.
Safety first. Never open the boiler casing, and if you smell gas call the National Gas Emergency line on 0800 111 999 before anyone else.
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