BoilerFaultCodesIdeal LED2 Fault Code
The Ideal LED2 fault code means: your boiler has stopped working for safety reasons and needs to be reset manually to try and restart the system.. It appears on 1 Ideal model in our database.
Technical description: Lockout
What causes the Ideal LED2 fault?
This fault occurs when the boiler has tried to ignite several times but failed to detect a flame, causing the system to shut down for safety. The most common reasons are a lack of gas reaching the burner, a worn-out ignition spark, or the boiler's internal sensor not recognising that the flame has lit.
DIY fix possible
Locate the reset button on the control panelPress the reset button once and release itWait up to 5 minutes to see if the boiler fires up and the status lights remain steady
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Gas Safe Register →Ideal models that show the LED2 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal LED2 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026