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Troubleshooting and Test Functions
Step Commands
Table 14 Injector Step Commands
Step Action Comments
Bypass Switches injection valve to the
bypass position.
Plunger Home Moves the plunger to the home
position.
Needle Up Lifts the needle arm to the upper
position.
Command also switches the
valve to bypass if it is not
already in that position.
Vial to Seat Moves the selected vial to the seat
position.
Command also lifts the needle
to the upper position.
Needle into Vial Lowers the needle into the vial.
Command also positions the vial
at the seat, and lifts the needle
to the upper position.
Draw Metering device draws the defined
injection volume.
Command also positions the vial
at the seat, lifts the needle, and
lowers the needle into vial.
Command can be done more
than once (maximum draw
volume of 100µl cannot be
exceeded). Use “Plunger Home”
to reset the metering device.
Needle Up Lifts the needle out of the vial.
Command also switches the
valve to bypass if it is not
already in that position.
Vial to Tray Returns the selected vial to the tray
position.
Command also lifts the needle
to the upper position.
Needle into Seat Lowers the needle arm into the seat.
Command also returns the vial
to the tray position.
Mainpass Switches the injection valve to the
mainpass position.
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