How much does it cost to fix Ideal error code L.....E...... or H.....E......?

Typical repair cost for the Ideal L.....E...... or H.....E...... fault is £280-550 including labour.

L.....E...... or H.....E...... High

Ideal L.....E...... or H.....E...... Fault Code

Q: What does the Ideal L.....E...... or H.....E...... fault code mean?

Your boiler’s internal computer has encountered an electronic glitch or hardware failure and cannot operate safely.

Also written as LEORHE — same fault.

The Ideal L.....E...... or H.....E...... fault code means: your boiler’s internal computer has encountered an electronic glitch or hardware failure and cannot operate safely.. It appears on 4 Ideal models in our database.

Technical description: BOARD ERROR

What causes the Ideal L.....E...... or H.....E...... fault?

This fault occurs when the boiler's internal control board suffers an electronic failure or losing communication with its sensors. It is often caused by a component on the circuit board wearing out over time or damage from an electrical power surge.

Typical repair cost £280-550 (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 L.....E...... or H.....E...... fault code

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

Source

Ideal L.....E...... or H.....E...... 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