Agilent InfinityLab LC Series Vialsamplers User Manual 185
6 Troubleshooting and Diagnostics
Maintenance and Troubleshooting Tools
Table 20 List of injector step commands
Command Action
Prerequisite Steps
1
1
Prerequisite steps are executed automatically if not already done.
Valve Bypass The injection valve switches into the bypass posi-
tion.
Plunger Home The metering piston moves into the home posi-
tion.
Valve Bypass
Needle Up The needle arm moves into the upper position. Valve Bypass
Vial to Seat The gripper arm moves the specified vial to the
needle seat.
•Valve Bypass
• Needle Up
Needle into Sample The needle arm moves down and the needle pene-
trates into the vial.
Always the default needle offset value (0.0 mm) is
applied.
•Valve Bypass
• Needle Up
• Vial to Seat
Draw The metering device draws the specified volume
into the loop capillary.
This step can be performed multiple times,
although the maximum volume of the analytical
head will not be exceeded. Use Plunger Home to
reset the metering device.
•Valve Bypass
• Needle Up
• Vial to Seat
• Needle into Sam-
ple
Needle Up The needle arm moves into the upper position, lift-
ing the needle out of the vial.
Valve Bypass
Vial to Tray The gripper arm returns the vial into its original
position in the vial drawer.
Needle Up
Needle into Seat The needle moves down into the needle seat. Needle Up (only if a vial
is present on the nee
-
dle seat)
Valve Mainpass The injection valve switches into the mainpass
position.
Needle into Seat
Reset The sampler gets reset and will reinitialize
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