How much does it cost to fix Vokera error code E 17?

Typical repair cost for the Vokera E 17 fault is £250-450 including labour.

E 17 High

Vokera E 17 Fault Code

Q: What does the Vokera E 17 fault code mean?

Your boiler has detected an internal electronic error within its control brain, which means it has safely shut down to prevent incorrect operation.

Also written as E17 — same fault.

The Vokera E 17 fault code means: your boiler has detected an internal electronic error within its control brain, which means it has safely shut down to prevent incorrect operation.. It appears on 1 Vokera model in our database.

Technical description: Internal fault (PCB)

What causes the Vokera E 17 fault?

This fault occurs when the boiler's main control board experiences an internal hardware failure, meaning it can no longer process signals or safety checks correctly. The most common reason is general wear and tear of the electrical components on the circuit board over time, or damage caused by a power surge.

Typical repair cost £250-450 (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 E 17 fault code

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

Hydra Repair: £250-450

Source

Vokera E 17 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