no line supply on violet lead High

Ideal no line supply on violet lead Fault Code

Also written as NOLINESUPPLYONVIOLETLEAD — same fault.

The Ideal no line supply on violet lead fault code means: your boiler has lost power to an internal safety sensor, meaning it cannot confirm the fan is working and will not ignite for your safety.. It appears on 1 Ideal model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: No line supply on the violet lead to pressure switch.
Typical repair cost £120-£350 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ideal models that show the no line supply on violet lead fault code

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

Source

Ideal no line supply on violet lead 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