Perform The Motors And Valves Diagnostic Test - Waters Alliance e2695 Operator's Manual

Table 8–3: Tests and functions run from the Other Diagnostics screen (continued)
Test or function name
Sample heater/cooler
Defrost sample cooler
Column heater or column
heater/cooler
Defrost column cooler
Rebuild injector valves
Turn off GPV
Create "GPV Test" Method
Firmware Checksum
8.4.1

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)
To perform the motors and valves test, select Motors and valves in the Other Diagnostics screen,
and then press the OK screen key. The Motors and Valves diagnostic screen appears.
Purpose
Tests the heater/cooler
module.
Defrosts the sample
heater/cooler module.
Tests the column heater or
column heater/cooler module.
Defrosts the column
heater/cooler module.
Tests valves V1 and V2.
Turns off the GPV.
Use to create a GPV test
separation method for the
operational qualification of the
separations module.
Use to verify the checksum
value to ensure that firmware
upgrades were loaded
correctly.
February 27, 2018, 715003794 Rev. C
Page 157
Reference
"Sample heater/cooler test" on
page 166
"Defrost sample heater/cooler
function" on page 166
"Column heater or column
heater/cooler test" on
page 167
Waters Alliance Series
Column Heater and Column
Heater/Cooler Operator's
Guide
"Rebuild injector valves
function" on page 168
"Verify the firmware
checksum" on page 168
"Create a GPV Test Method"
on page 168
"Verify the firmware
checksum" on page 168