LED 2 Low

Ideal LED 2 Fault Code

Also written as LED2 — same fault.

The Ideal LED 2 fault code means: your boiler is simply indicating that it has successfully detected an electrical supply and is currently booting up.. It appears on 1 Ideal model in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Application of power

DIY fix possible

Wait a few moments for the boiler to complete its start-up cycleCheck that your heating and hot water controls are set to 'on'If the boiler remains unresponsive, toggle the fused spur switch off and on again to perform a soft reset

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Ideal models that show the LED 2 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ideal LED 2 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 7 July 2026