Agilent 1200 Series Autosampler Reference Manual 75
Troubleshooting and Test Functions 3
Missing Vial
No vial was found in the position defined in the method or sequence.
When the gripper arm picks a vial out of the sample tray, the processor
monitors the gripper motor encoder. If a vial is present, the closing of the
gripper fingers is limited by the vial. However, if no vial is present, the gripper
fingers close too far. This is sensed by the processor (encoder position),
causing the error message to be generated.
Probable Causes
• No vial in the position defined in the method or sequence.
• Incorrect gripper alignment.
• Defective gripper assembly (defective gripper fingers or belt).
• Defective transport assembly flex board.
Suggested Actions
✔ Install the sample vial in the correct position, or edit the method or
sequence accordingly.
✔ Align gripper.
✔ Exchange the gripper assembly.
✔ Exchange the transport assembly.
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