Aquavitro Sentia Doser Tubing And Calibration Tube Set

A: In some cases, during initial assembly or during shipping the tightness of the tubing in the pump head becomes loose and the pump rollers do not make enough contact with the tubing. To fix this, simply grab the two lines coming from the pump head and pull them tightly away from the pump head while pressing the manual dose button (the button that looks like a drop) for 15 – 20 seconds. This should adjust tightness of the tubing against the rollers and head unit will begin to pump fluid properly.

A: Once connected to a WiFi network, each doser will send information about its status to the main server and to the app every minute. Even if it loses the connection (due to a network problem perhaps), the minute after the network is available it updates its status, including any doses made and the Dose History appear properly.

However, when the network connection is lost for any period across midnight AND when there is a dose(s) scheduled during that same time frame the Dose History will show a false duplicate dose.

For instance, a doser loses connection on Tuesday at 10PM until Wednesday at 2AM. There is a dose on that particular doser scheduled for 11PM. Even though the doser has lost its network connection it will still do its physical dose at 11PM. Then the network reconnects at 2:00AM and the doser updates it status at 2:01AM. The dose that happened at 11PM gets added to the Dose History of the next day – Wednesday.

So, when the doser records the dose again at 11PM it looks like you suddenly have twice as much dosed when in actuality the doser has really simply followed the dosing schedule. The system is merely trying to accurately convey the information that it did dose as it should have on Tuesday but it adds it to the Wednesday history thereby providing a view that makes it look like a double dose.

Another example where a doser loses connection on Tuesday at 10PM until Wednesday at 2AM. There is a dose on that particular doser scheduled for 9PM. The sentia is communicating regularly until 9:59PM so the update to the server is completely fine and the Dose History is recorded correctly.

Instances of the Dose History showing a duplicate dose are quite rare as it depends on a combination of a network disconnection at or before 11:59PM to sometime past 12:00AM on any given day AND a particular dose(s) during that lost connection time frame. It is a matter of the doser trying to make certain it records the Dose History in spite of disconnection from the network.