Low
Hours on Vokera Unica

Your boiler is perfectly healthy and is simply resting until you turn on a tap or adjust your heating.

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

Stand-by

Shared across the Unica 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.

DIY fix possible

No action requiredThis is the normal state when the boiler is waiting for a demand for hot water or heating

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All 19 fault codes on the Unica

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

_CL_St(cid:31)A01A02A03A04A06A07A08A09A11A77ACOAdjAUTOSTOPPP blinking

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