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FANUC Alarm CVIS-189 — Vision Register is locked

FANUC CVIS-189 (“Vision Register is locked”): Vision register is also locked by LOCK PREG command. First check: Unlock vision register to use UNLOCK PREG command.

Updated 2026-09-17 · LogrobotLM reference

Description

Vision register is also locked by LOCK PREG command.

Remedy

Unlock vision register to use UNLOCK PREG command.

Related codes

CVIS-187VOFFSET(frame offset) is duplicatedCVIS-188VOFFSET(tool offset) is duplicatedCVIS-190Only 1 vision tool (GPM, Histogram, etc.) allowed at this level. Delete the existing tool before adding a new one.CVIS-191The comment string has been truncated to '…'.

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →