130 1260 Infinity Binary Pump User Manual
8 Test Functions and Calibration
(System) Pressure Test
Potential Causes of Pressure Test Failure
After isolating and fixing the cause of the leak, repeat the pressure test to
confirm the system is pressure tight.
Tabl e 9 Potential Cause (Pump)
Potential Cause (Pump) Corrective Action
Purge valve open. Close the purge valve.
Loose or leaky fitting. Tighten the fitting or exchange the capillary.
Damaged pump seals or pistons. Run the valve test to identify the defective
component.
Loose purge valve. Tighten the purge valve nut (14 mm wrench).
Tabl e 1 0 Potential Cause (Autosampler)
Potential Cause (Autosampler) Corrective Action
Loose or leaky fitting. Tighten or exchange the fitting or capillary.
Rotor seal (injection valve). Exchange the rotor seal.
Damaged metering seal or piston. Exchange the metering seal. Check the piston
for scratches. Exchange the piston if required.
Needle seat. Exchange the needle seat.
Tabl e 1 1 Potential Cause (Column Compartment)
Potential Cause (Column Compartment) Corrective Action
Loose or leaky fitting. Tighten or exchange the fitting or capillary.
Rotor seal (column switching valve). Exchange the rotor seal.
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