Saline dripping from the needle assembly

If Saline drips from the needle assembly, check the following:

1. Does the vacuum pump work?
   • Check the vacuum pressure by using the option Check flow sensor in menu Check sensors.
2. Sample probe may be blocked.
3. Fill nozzle may be blocked.
4. Waste line from the fill nozzle may be blocked.
5. Outer needle may be blocked.
6. Pinch valve not working or blocked.
   • Replace pinch valve tube, only allowed for a trained technician.