Ideal Mexico Slimline CF440 Fault Codes

Regular Natural Gas 11.7 kW 1993-2007 Discontinued

GC Number: 41-391-72

Replaced by: Mexico 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 electrical power and is currently on standby or ready to operate.	Yes
Neon SG1	Low	Your boiler is currently trying to light the flame, and the light should turn off as soon as the heater starts working normally.	Yes

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