User manual

96 Agilent 1260 Infinity High Performance Autosampler User Manual
7 Error Information
Module Error Messages
Needle Lock Failed
Error ID: 4702, 4703
The lock assembly on the sampling unit failed to move successfully.
The upper and lower positions of the needle lock are monitored by
position sensors on the sampling unit flex board. The sensors detect the
successful completion of the needle lock movement. If the needle lock fails
to reach the end point, or if the sensors fail to recognize the needle lock
movement, the error message is generated.
Probable cause Suggested actions
1 Defective or dirty position sensor.
Clean the position sensor.
2 Sticking spindle assembly.
Please contact your Agilent service
representative.
3 Defective needle drive motor
Please contact your Agilent service
representative.
4 Defective main board.
Please contact your Agilent service
representative.