ABB Error 50394 — The Path for the Unit is cleared

What it means · Ce que ça veut dire

The Path for the Unit is cleared — ABB robot hardware event on the The Path for the Unit is cleared (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The robot arg is semi coordinated to unit arg from another task and the path for the unit has been cleared. This can happen after a modpos, SyncMoveOff, SyncMoveSuspend, ActUnit, DeactUnit, ClearPath or if the unit has no move instruction with a well-defined position before starting the semi coordinated movement. The position of unit arg cannot be read from other tasks. Program run or restart will be interrupted. Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.

What to check · Que vérifier

• Inspect the The Path for the Unit is cleared, its wiring and connections first.
• Match this code against your robot's event-log timeline before swapping parts.
• Follow the French field checks below — they are the tested sequence for this fault.
• If the programmed position of the unit is moved by modpos when the robot is semi coordinated to the unit, then step the unit to the new position to define the path and move the program pointer in the robot program to be able to restart the program.
• Make sure that the unit has a move instruction with a finepoint to a well-defined position and that all programs has a WaitSyncTask before and after the semi coordinated movement.
• Make sure that the unit is not moved during the semi coordinated movement.
• Note that WaitSyncTask also is needed after the semi coordination, before SyncMoveOn and SyncMoveResume.
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Frequently asked · Questions fréquentes

What does ABB error 50394 mean?

ABB 50394 (“The Path for the Unit is cleared”): The Path for the Unit is cleared — ABB robot hardware event on the The Path for the Unit is cleared (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

How do you troubleshoot ABB error 50394?

Inspect the The Path for the Unit is cleared, its wiring and connections first. Match this code against your robot's event-log timeline before swapping parts. Follow the French field checks below — they are the tested sequence for this fault.

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