How much does it cost to fix Ideal error code 016?

Typical repair cost for the Ideal 016 fault is £250-450 including labour.

016 High

Ideal 016 Fault Code

Q: What does the Ideal 016 fault code mean?

Your boiler's computer has detected an internal error and has shut itself down to prevent damage, meaning you currently have no heating or hot water.

The Ideal 016 fault code means: your boiler's computer has detected an internal error and has shut itself down to prevent damage, meaning you currently have no heating or hot water.. It appears on 1 Ideal model in our database.

Technical description: Internal failure - electronic

Typical repair cost £250-450 (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 016 fault code

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

Maximiser SE Repair: £250-450

Source

Ideal 016 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