Ideal Classic HE Fault codes & diagnostics

0 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Regular LPGNatural Gas 15-18 kW 2003-2007 Discontinued

GC Numbers 41-395-0141-395-0241-395-0341-395-04

Replaced by: Logic Heat

Download the Ideal Classic HE manual The official installation & service manual (PDF) — the exact document these fault codes were verified against. PDF

The fault code is already on your display

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

Status & diagnostic codes

2 operating states & engineer diagnostics

Not faults — these are normal operating states. Tap to expand.

Neon I3 Status Your boiler has electrical power and is currently functioning normally, as this light simply indicates the mains power is switched on. Neon SG1 Status Your boiler is currently trying to light the flame and this light will go off once the burner has started successfully.