Ideal Classic SE FF Fault Codes

Regular Natural Gas 9-21 kW 1997-2005 Discontinued

GC Numbers: 41-392-1241-392-1341-392-1441-392-1541-392-1641-392-17

Replaced by: Classic HE

The fault code is already on your display

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

All 2 fault codes

Code	Severity	Plain English	DIY
Neon I3	Low	Your boiler is receiving power and is currently switched on at the mains supply.	Yes
Neon SG1	Low	Your boiler is currently trying to light the flame and this light will turn off as soon as the burner is successfully lit.	Yes

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