5 65 High

Vokera 5 65 Fault Code

Also written as 565 — same fault.

The Vokera 5 65 fault code means: your boiler is struggling to push air through the system correctly, which is preventing it from lighting safely.. It appears on 1 Vokera model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Insufficient fan speed
Typical repair cost £150-250 (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 5 65 fault code

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

Source

Vokera 5 65 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 7 July 2026