Dionex UltiMate 3000 Series, Руководство по эксплуатации

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UltiMate 3000 Series:
SD, RS, and BM Pumps
Operating Instructions Page 119
Problem Probable Cause Remedial Action
No flow The system is leaking. Find and eliminate the leak.
One or both valve cartridges are
not installed correctly (not in the
direction of flow) or are
defective. Install the cartridges in the
direction of flow or replace
the cartridges if necessary
(

page 128).
There is air in the solvent or in
the pump heads.
Purge the pump (

page 54)
and check the degasser
Depending on the pump type:
The static mixer or inline filter is
blocked.
Replace the static mixer
(

page 147) or inline filter
(

page 149 or 150). With an
LPG-3400BM and DGP-
3600BM, you can replace the
filter frit in the inline filter
(

page 151).
There are air bubbles in the flow
path. Perform a wash cycle
(

Autosampler Manual ).
Non-degassed wash liquid is
used. Degas the wash liquid
(

Autosampler manual).
After a maintenance procedure
(replacement of pump head,
piston, or piston seal) the pistons
are not in the appropriate position
for normal operation. Remove and reinstall the
pistons (

pages 135
and 137).
Flow fluctuation The inlet path is blocked. Check the inlet lines, filter of
the pump, proportioning
valve etc. for signs of
blockage.
There is air in the inlet path.
Purge the pump (

page 54)
and check the degasser
The check valves are dirty or
defective. Clean the check valves or
replace the valve cartridges
(

page 128).
The piston does not contact the
magnet holder. Check whether the piston is
installed correctly. Reinstall
the piston (

page 142).
The piston seals are leaking. Replace the piston seals
(

page 135).