Error: Failed to take arm semaphore

Modified on Wed, 07 Jul 2021 at 03:37 PM


  1. The program has not taken arm semaphore, but it tried to execute robot motion command.
  2. The program tried to take arm semaphore, but another program has already taken the semaphore

Related Error codes:   83501024 (RC8 / RC8A / COBOTTA)


  1. Take arm semaphore with TAKEARM statement, and then execute robot motion commands.
  2. Revise the program so that multiple programs do not take arm semaphore simultaneously.

Related Links (Owner's Manual)
- TakeArm Command:
- GiveArm Command:
- TakeArmState Command:

Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select atleast one of the reasons
CAPTCHA verification is required.

Feedback sent

We appreciate your effort and will try to fix the article