What does the Ideal L1 fault code mean?

Your boiler has temporarily locked itself out because the water inside is getting too hot or is not flowing properly.

How much does it cost to fix Ideal error code L1?

Typical repair cost for the Ideal L1 fault is £150-300 including labour.

Manufacturer manual

Flow Temp O’heat or No Water Flow Lockout

Shared across the Logic Heat range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Boiler cover options

A cover plan would handle faults like L1: no call-out fees, no surprise bills.

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Seeing a different code? Every code this model can display, in one place.

Each noise points to a different fault.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.