4581 - Accessor X motion could not find a hard stop while moving left

Edit online

The X motor on the robotic accessor could not find a hard stop while moving left. This could be caused by a loose X belt, a faulty X motor or drive electronics on the robotic accessor. This fix procedure describes how to diagnose and correct this issue.

Fix procedure

Procedure:
  1. If front LED lighting is not solid yellow, put the library in service mode:
    1. From the management GUI., go to Actions > Change Library State.
    2. Choose In Service Mode (Offline) option and then click the Set button.
  2. Open the front door.
  3. If a cartridge is stuck between the gripper and a library slot, follow the “Removing a stuck cartridge” procedure.
    Additional Troubleshooting:
    1. Manually move the gripper assembly to left and right the entire X path by pulling on the X belt and confirm it moves freely.
    2. Close the front door and set the library online:
      1. From the management GUI., go to Actions > Change Library State.
      2. Choose Online option and then click the Set button.
    3. If the problem was solved, you are finished. Otherwise, set the library back to service mode. See Step 1 and continue with the next step.
  4. Replace the robotic accessor:
    1. Replace the robotic accessor using the Robotic Accessor videos.
    2. Reset the LCC. From the management GUI, go to Library > Nodes Cards. Right click on the LCC node card and choose Reset This process will log you out of the GUI..
    3. Close the front door and calibrate the library. From the management GUI, go to Actions > Calibrate Library and click Yes.
    4. Put the library online. From the management GUI., go to Actions > Change Library State and choose Online option.
    5. Run Library Verify. From the management GUI, go to Actions > Library Verify keep the default options and click Next
  5. If the problem was solved you are finished. Otherwise, contact IBM support.
Attention: If the problem has occurred multiple times and still not resolved, contact IBM support.

Damaged Components
During the procedure, if any part is found physically damaged, replace the applicable Customer Replacement Unit (CRU). See Customer service procedures.