De-ionized water

Select from Maintenance -> Prime / Clean -> [Prime De-ionized water], the vacuum pump should operate and liquid flows through the thin tube connected to the side of the fill nozzle cap.

After each sample aspiration, the fill nozzle aspiration tube is washed automatically with de-ionized water.

If there is no liquid flow and no reagent alarm:

1. Unscrew the cap of the deionized water container to check.
2. One of the de-ionized water lines may be blocked or kinked.
3. For older models:.Check pick-up tube in de-ionized water container, it may have become disconnected from the nozzle in the lid.