Glow-worm Compact 75E Fault Codes

Combi Natural Gas 22 kW 1994-1998 Discontinued

GC Number: 47-319-01

Replaced by: Flexicom cx

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Most common fault codes

Code	Severity	Plain English	DIY
F	High	Your boiler has switched itself off for safety because it detected it was getting too hot.	Yes
H	High	Your boiler has detected that the water pressure is too low, causing it to shut down to prevent damage.	Yes
Summer mode LED	Low	Your boiler is failing to switch into summer mode due to an internal electronic circuit board failure.	Engineer

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