Waters Alliance e2695 Operator's Manual page 179

Table 8–12: Sample management system troubleshooting (continued)
Symptom
Reproducibility errors
Carrier malfunction
Carousel malfunction
Carousel malfunction
Seal pack adjustment failed
Possible cause
Syringe contains an air bubble
(usually seen at top or bottom
of syringe)
Leaks at tubing connections
Seal pack failure
Carousels not properly
positioned
Vials not properly seated
Sample compartment tray
contaminated
Carousels do not turn properly Clean/replace the carousel.
Defective carousel sensor
Carousel carrier obstructed or
contaminated
Sample compartment tray
contaminated
Carousels do not turn properly Clean/replace the carousel.
System not purged before seal
pack adjustment
Solvent not properly degassed Degas mobile phase.
Syringe contains an air bubble
(usually seen at top or bottom
of syringe)
Seal pack failure
Leaks at the tubing connection Check for leakage at the
Damaged needle
February 27, 2018, 715003794 Rev. C
Page 179
Corrective action
Remove air bubble (see
"Replace the syringe" on
page 137).
Inspect for leakage at the
connections using a tissue,
and then tighten connection
slightly if the tissue is
moistened.
Replace seal pack (see
"Replace the injector needle
and seal pack" on page
Reposition carousels in
sample compartment.
Reseat vials. (see "Load
carousels" on page 62).
Clean sample compartment
(see "Clean the sample
compartment" on page 147).
Call Waters Technical Service.
Check for obstructions. Clean
sample compartment (see
"Clean the sample
compartment" on page 147).
Clean sample compartment
(see "Clean the sample
compartment" on page 147).
Purge system and repeat
adjustment.
Remove air bubble (see
"Replace the syringe" on
page 137).
Replace seal pack (see
"Replace the injector needle
and seal pack" on page
connections with a tissue, then
tighten connections slightly if
the tissue is moistened.
Replace needle (see "Replace
the injector needle and seal
pack" on page 141).
141).
141).