Low
ACO on Vokera Compact A

Your boiler has reached its programmed time limit and is simply reminding you that a routine safety service is now due.

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

Service operation

From this model's manual
Verified against the Vokera/Vokera Compact A installation & service manual, page 6.
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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All 31 fault codes on the Compact A

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

_CL_StA01A02A03A04A06A07A08A09A11A77AdjFlame ONGreen LED Off, Red LED OffGreen LED Off, Red LED OnGREEN LED On every 0.5-secsGREEN LED On every 6-secsGreen LED On, Red LED OffGREEN LED SolidHoursP blinkingPurge cycle mode activeRED LED BLINKSRED LED On every 0.5-secsRED LED SolidReset light illuminatedService operationTemporary faultYELLOW LED Solid

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