Gilson PLC 2050, Руководство пользователя

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PLC 2050/2250/2500 PurifiCation SyStemS
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Troubleshooting Table
the following table details some basic symptoms, possible causes, and potential solutions
for issues related to PLC 2050/2250/2500 Purification Systems. if the problem persists
after all remedies have been attempted, contact Gilson customer service. refer to
Customer Service on page 19 .
Fluidics and Pumping
SymPtom(S) PoSSibLe CauSe(S) remeDy referenCe
Leakage or air bubbles.
The fittings are not
sufficiently tightened.
Tighten the fittings.
The pump makes
abnormal noises.
The motor or motor
driver is damaged or not
properly installed.
The system belt or pulleys
are damaged.
Stop the pump.
Switch off the system.
Refer to page 57
Inaccurate or irregular
flow rates.
Lack of solvent suction.
Inaccurate gradient
forming.
The fittings are not
sufficiently tightened.
Improper state of tubing
or fitting.
The fluid path is partially
or totally blocked.
Tighten the fittings and
check the state of the tubing.
Replace the fittings and/or
the tubing, if damaged.
Clean the fluid path.
Refer to page 60.
The piston rods are dirty.
The pump piston seals are
worn.
The pump check valves
are dirty or damaged.
Check and/or clean all parts
in contact with solvents or
samples (gradient valve,
piston rods, seals, check
valves, etc.). Replace the
consumable parts (seals,
check valves, etc.), if
damaged.
Refer to page 59.
Abnormal pressure
fluctuation.
Noise on the data system.
The pump check valves
are dirty or damaged.
Check and/or clean and/
or replace the pump check
valves.
Refer to page 65.
Abnormal overpressure.
Improper state of tubing
or fitting.
The fluid path is partially
or totally blocked.
Determine the overpressure
location by isolating
different parts of the fluid
path.
Check the state of tubing.
Replace the tubing, if
damaged.
Clean the fluid path.
Refer to page 60.
Leakage near the pump
heads or cleaning discs.
Worn pump piston seals.
Replace the pump piston
seals.
Refer to page 62.
Continued on Page 73