8 Diagnostic Testing and Troubleshooting
230 July 29, 2013, 715003794 Rev. B
Perform the motors and valves diagnostic test
The motors and valves test results inform you whether the parameter values
you assign to motors and valves fall within limits acceptable for protecting the
system and column.
The test checks these components:
•Motors:
– Injector (needle) drive
– Syringe drive
– Needle wash pump
•Valves:
– Gradient proportioning valve (GPV)
– V1 (Sample loop valve)
– V2 (Syringe valve)
– V3 (Waste valve)
– V4 (Needle wash valve)
Turn off
GPV
Turns off the gradient proportioning
valve (GPV).
“Verify the
firmware
checksum” on
page 243
Create “GPV
Test”
Method
Use to create a GPV test separation
method for the operational qualification
of the separations module.
“Create a GPV Test
Method” on
page 242
Firmware
Checksum
Use to verify the checksum value to
ensure that firmware upgrades were
loaded correctly.
“Verify the
firmware
checksum” on
page 243
Tests and maintenance functions run from the Other Diagnostics screen:
Test or
function
name
Purpose Reference
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