Universal Robots CB3 Error Code C191A31: Operation mode switch is present while the three position switch is missing

Universal Robots Robot Minor System

Model: CB3 (UR3/UR5/UR10) | Code: C191A31

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

Operation mode switch is present while the three position switch is missing

How to Reset

Power cycle the robot controller and perform a complete reboot sequence. If the error persists, update the software to the latest version.

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Source: Universal Robots Official Error Codes Directory (https://www.universal-robots.com/manuals/EN/PDF/Shared/ErrorCodes/ErrorCodes.pdf)

Category: Robot