How much does it cost to fix Ideal error code E36?

Typical repair cost for the Ideal E36 fault is £150-300 including labour.

E36 High

Ideal E36 Fault Code

Q: What does the Ideal E36 fault code mean?

Your boiler has detected an internal communication error between its main parts, causing it to shut down for safety until the connection is restored.

The Ideal E36 fault code means: your boiler has detected an internal communication error between its main parts, causing it to shut down for safety until the connection is restored.. It appears on 1 Ideal model in our database.

Technical description: Error Mode: The display will flash on and off with the error code shown. The unit will be inoperative until the fault is rectified.

Typical repair cost £150-300 (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 E36 fault code

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

Imax W Repair: £150-300

Source

Ideal E36 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