How much does it cost to fix Ideal error code 9.1.15?

Typical repair cost for the Ideal 9.1.15 fault is £120-200 including labour.

9.1.15 Low

Ideal 9.1.15 Fault Code

Q: What does the Ideal 9.1.15 fault code mean?

Your boiler's internal clock has lost its memory settings, which may cause your heating schedule to reset or fail to trigger when expected.

Also written as 9115 — same fault.

The Ideal 9.1.15 fault code means: your boiler's internal clock has lost its memory settings, which may cause your heating schedule to reset or fail to trigger when expected.. It appears on 1 Ideal model in our database.

Technical description: Clock Without Back-up Fault

Typical repair cost £120-200 (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 9.1.15 fault code

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

Logic Air Repair: £120-200

Source

Ideal 9.1.15 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

Ideal Logic Air manual (PDF)

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026