Ideal · Exclusive 2

L1 boiler fault code

Exclusive 2 — models 24 / 30 / 35

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What L1 means

L1 indicates flow temperature overheat or no water flow.

Gas Safe engineer: If pressure does not hold or the message remains after the guide action, contact Ideal or arrange a Gas Safe registered engineer.

If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.

Safe check

Repressurise the system to 1.0–1.5 bar using section 3 of the user guide.

When to contact an engineer

If pressure does not hold or the message remains after the guide action, contact Ideal or arrange a Gas Safe registered engineer.

Source and provenance

Did this fix it?

After: Repressurise the boiler