High
E086 on Vokera Vision System Sgc

Your boiler has lost its connection to the sensor that monitors the temperature of the water being sent to your radiators, causing the system to stop heating for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

delivery line probe fault - main zone

From this model's manual
Verified against the Vokera Vision System Sgc installation & service manual, page 8.
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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