How much does it cost to fix Baxi error code Neon 10?

Typical repair cost for the Baxi Neon 10 fault is £90-£160 including labour.

Neon 10 Medium

Baxi Neon 10 Fault Code

Q: What does the Baxi Neon 10 fault code mean?

Your boiler is struggling to accurately measure the temperature of your hot water, which usually means your taps will only run cold or or at a very inconsistent temperature.

Also written as NEON10 — same fault.

The Baxi Neon 10 fault code means: your boiler is struggling to accurately measure the temperature of your hot water, which usually means your taps will only run cold or or at a very inconsistent temperature.. It appears on 1 Baxi model in our database.

Technical description: Fault on Hot Water Sensor

Typical repair cost £90-£160 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Baxi models that show the Neon 10 fault code

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

Bahama 80e / 105e Repair: £90-£160

Source

Baxi Neon 10 fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026