High
Lockout on Vokera Excell 80E / 96E

Your boiler has stopped working for safety reasons and needs to be manually restarted to see if it can clear the internal error.

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.

What the manual says

Manufacturer manual

Lockout. (turn on/off /mode selector switch to reset position for approx. 5 seconds)

Shared across the Excell range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 3 fault codes on the Excell 80E / 96E

Seeing a different code? Every code this model can display, in one place.

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