How much does it cost to fix Vokera error code YELLOW LED LIGHT?

Typical repair cost for the Vokera YELLOW LED LIGHT fault is £120-200 including labour.

YELLOW LED LIGHT Medium

Vokera YELLOW LED LIGHT Fault Code

Q: What does the Vokera YELLOW LED LIGHT fault code mean?

Your boiler is struggling to accurately monitor the temperature of the water being used for your heating because a temperature probe is sending incorrect signals or has a poor electrical connection.

Also written as YELLOWLEDLIGHT — same fault.

The Vokera YELLOW LED LIGHT fault code means: your boiler is struggling to accurately monitor the temperature of the water being used for your heating because a temperature probe is sending incorrect signals or has a poor electrical connection.. It appears on 2 Vokera models in our database.

Technical description: Faulty CH NTC sensor or wiring connections

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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Vokera models that show the YELLOW LED LIGHT fault code

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

Source

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

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