Agilent 1200 Series Autosampler Reference Manual 83
Troubleshooting and Test Functions 3
Invalid Vial Position
The vial position defined in the method or sequence does not exist.
The reflection sensors on the transport assembly flex board are used to check
automatically which sample trays are installed (coding on tray). If the vial
position does not exist in the current sample tray configuration, the error
message is generated.
Probable Causes
• Incorrect tray or trays installed.
• Incorrect vial positions defined in the method or sequence.
• Tray recognition defective (dirty sample tray or defective transport
assembly flex board).
Suggested Actions
✔ Install the correct trays, or edit the method or sequence accordingly.
✔ Ensure the coding surfaces of the sample tray are clean (located at the rear
of the sample tray).
✔ Exchange the transport assembly.