Troubleshooting - Agilent Technologies G1367A Reference Manual

Table 16
Step
Needle into Seat
Mainpass
Needle Up/Mainpass

Troubleshooting

If the well-plate sample is unable to perform a specific step due to a hardware
failure, an error message is generated. You can use the step commands to
perform an injection sequence, and observe how the well-plate sampler
responds to each command.
Table 17
probable causes associated with each possible failure.
Table 17
Step Function
Bypass
Plunger Home
Needle
Draw
1100 Series WS MWS Reference Manual
Step Commands (continued)
Action
Lowers the needle arm into the seat.
Switches the injection valve to the
mainpass position.
Lifts the needle arm to the upper
position and Switches the injection
valve to the mainpass position.
summarizes the step commands, and lists the error messages and
Step Failures
Probable Failure Modes
Valve not connected.
Defective injection valve.
Defective or dirty sensor on the sampling-unit flex board.
Defective metering-drive motor.
Defective or dirty sensor on the sampling-unit flex board.
Sticking needle-arm assembly.
Defective needle-drive motor.
Sum of all draw volumes exceeds 100 µl (or 40 µl).
Defective metering-drive motor.
Troubleshooting and Test Functions
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