Low
JP6 on Vokera Linea 28

Your boiler's setting that keeps a small amount of warm water ready for immediate use has been accidentally disabled or the internal connection responsible for this feature has come loose.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Hot Water Preheat Function jumper

From this model's manual
Verified against the Vokera Linea 7 installation & service 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 fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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