54 Agilent 1100 Series Fraction Collectors User’s Guide
2 Troubleshooting and Test Functions
Step Commands
Troubleshooting
If the fraction collector 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 a fraction collection sequence, and observe how the fraction collector
responds to each command.
Tabl e 5 Step Commands
Step Action Comments
Needle Up Lifts the needle arm to the upper
position.
Command also switches the
diverter valve to waste if it is
not already in that position.
Needle into vessel Lowers the needle into the specified
vessel.
only analytical scale G1364C
Needle to rinse / flush
port
Moves the needle to the rinse / flush
port.
only analytical scale G1364C
Switch valve to needle Switches the diverter valve to the
needle.
Switch valve to waste Switches the diverter valve from
needle to waste.
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