Low
Stand-by on Potterton Envoy Plus

Your boiler is currently in a waiting state and is not actively calling for heat, which usually means it is working correctly but just sitting idle.

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

Control Status: Stand-by

From this model's manual
Verified against the Potterton Envoy 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.

DIY fix possible

Check your room thermostat is turned up high enough to trigger the boilerEnsure your heating timer or clock is set to an 'on' periodCheck if your hot water cylinder thermostat is satisfied

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