40 1100 Series Nano Pump Service Manual
2 Troubleshooting and Test Functions
Pressure Above Upper Limit
The system pressure has exceeded the upper pressure limit.
Probable Causes
• Upper pressure limit set too low.
• Blockage in the flowpath (after the damper).
• Defective damper.
• Defective CSM board.
Suggested Actions
✔ Ensure the upper pressure limit is set to a value suitable for the analysis.
✔ Check for blockage in the flowpath.
✔ Exchange the damper.
✔ Exchange the CSM board.