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FANUC Alarm CVIS-290 — Invalid ACK status in AckQeueu

FANUC CVIS-290 (“Invalid ACK status in AckQeueu”): Invalid ACK status has occurred. First check: Modify the call to AcqQueue in your program to pass a correct ACK status.

Updated 2026-09-17 · LogrobotLM reference

Description

Invalid ACK status has occurred.

Remedy

Modify the call to AcqQueue in your program to pass a correct ACK status.

Related codes

CVIS-288A child location tool fails to find anything.CVIS-289Position Adjust tool is not trained.CVIS-291AckQueue before GetQueueCVIS-292No AckQueue before next GetQueue

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