General System Troubleshooting - Thermo Scientific Surveyor MS Pump Hardware Manual

5
Troubleshooting

General System Troubleshooting

General System Troubleshooting
66 Surveyor MS Pump and Surveyor MS Pump Plus Hardware Manual
When you are sure that it is the pump. When you have isolated the pump as the only
remaining source of difficulty, proceed to the troubleshooting table for help in determining
the exact cause of the problem.
The following section can be helpful in the initial investigation of a problem with the
Surveyor Plus HPLC system.
 No flow
1. Check mobile phase connections.
2. Check for leaks.
3. See problem 8 on page
 High Backpressure
1. Check flow rate and system/column specifications.
2. Check for tubing or column blockage.
3. Check for blockage in the injection valve.
4. See "Surveyor MS Pump Troubleshooting Guide"
 Unstable Baseline or Drift
1. System column not equilibrated; allow more equilibration time.
2. Refer to the troubleshooting guide for your detector.
3. See problem 7 on page
 Baseline Noise
1. Check for air bubbles in the system.
2. Check for system solvent contamination.
3. The pulse dampener is contaminated; prime the pulse dampener.
 No Peaks
1. Check the detector and data system connections.
2. Refer to the troubleshooting guide for your autosampler.
3. Check sample retention with chromatographic conditions.
4. See problem 8 on page
69.
69.
69.
on page 68.
Thermo Scientific