E 08 High

Vokera E 08 Fault Code

Also written as E08 — same fault.

The Vokera E 08 fault code means: your boiler is struggling to detect the temperature of the water in your hot water storage tank, meaning you likely have no hot water available at your taps.. 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: DHW tank temperature sensor open.
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 E 08 fault code

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

Source

Vokera E 08 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