Waters ACQUITY UPLC I-Class IVD - Sample Manager Flow-Through-Needle Maintenance Procedures

4Maintenance Procedures
42 July 7, 2014, 715003736IVD Rev. C
Sample Manager Flow-Through-Needle maintenance procedures:
Maintenance
procedure
Frequency
Clean the instrument
with a soft, lint-free
cloth, or paper
dampened with water
Perform as part of your annual routine scheduled
maintenance and when solvent or dust
accumulates.
Replace the leak
sensor
As needed. For example, when the leak sensor is
damaged or an error message states the leak sensor
is not detected.
Replace the needle seal Replace as part of the annual scheduled routine
maintenance and, thereafter, as needed. The
typical failure modes are as follows:
•The dynamic leak test fails.
•The needle seal readiness test fails.
•Peaks do not appear on your chromatogram.
•Peak areas are lower than expected.
Replace the sample
needle
Replace when the needle breaks, when the error
message “Drawing sample rate excessive <value>”
appears, or the needle seal readiness test is failed.
Replace the sample
syringe
Replace as part of the annual scheduled routine
maintenance and, thereafter, as needed. The
typical failure modes are as follows:
•The sample syringe leak test fails.
•Air bubbles are in the syringe.
•A sample syringe hardware error message
appears.
Replace the injection
valve cartridge
Perform as part of your annual routine scheduled
maintenance and if the system shows erratic
system pressure from run to run.
Clean the injection
port
Perform as part of your annual routine scheduled
maintenance and if you see sample or particulate
accumulation.