Pressure fluctuation on Alliance HPLC System (Guided Troubleshooting) - WKB96127
Article number: 96127
SYMPTOMS
- Pressure fluctuation on Alliance HPLC System
ENVIRONMENT
- Alliance HPLC System
- 2695 Separations Module
- 2695D Dissolution Separations Module
- 2795 Separations Module
STRATEGY
- Ensure that the Stroke Volume setting is appropriate for the flow range. WKB25194
- Check the lines for air bubbles and degas the mobile phase. WKB7030
- Check the solvent bottles for microbial growth. WKB57411
- Verify that the solvent filters and solvent sinkers are not clogged. WKB45863
- Check if check valves are sticky after switching solvents. WKB2141
- Check for faulty check valves. WKB10722
- Check for blockage in the inline filter. WKB69397
- Check for clogged inlet tubing. WKB83547
- Check for leak at pump heads. WKB18122
- Inspect the pump head assembly and the seal wash assembly. WKB54901
ADDITIONAL INFORMATION
id96127, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10SSM, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, checkvalve, Delta, eluent, pressure ripple