How much does it cost to fix Ideal error code BOILER SENSOR FAULT?

Typical repair cost for the Ideal BOILER SENSOR FAULT fault is £120-220 including labour.

BOILER SENSOR FAULT High

Ideal BOILER SENSOR FAULT Fault Code

Q: What does the Ideal BOILER SENSOR FAULT fault code mean?

Your boiler has lost the ability to accurately measure its own temperature, so it has safely shut down to prevent potential overheating.

Also written as BOILERSENSORFAULT — same fault.

The Ideal BOILER SENSOR FAULT fault code means: your boiler has lost the ability to accurately measure its own temperature, so it has safely shut down to prevent potential overheating.. It appears on 2 Ideal models in our database.

Technical description: Check wiring. Check system. Replace sensor.

Typical repair cost £120-220 (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 BOILER SENSOR FAULT fault code

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

Source

Ideal BOILER SENSOR FAULT 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