CHART ULTRADOSER 500S, Руководство пользователя

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www.chartdosers.com PN 15920 Page 41 of 43
Condition: No liquid from the dosing head.
Possible Causes
Actions

There is insufficient liquid inside the UltraDoser
unit.

Open the valve (counter-clockwise direction) on
the Dura-Cyl
®
Liquid Cylinder.

The unit is disabled.

Switch the Dose Enable switch to the “I” position.

The nozzle is frozen shut.

Remove, clean, and re-install the nozzle (see page
36).

There is insufficient GN
2
to the dosing head valve.

Check the level of GN
2
at the source. If the level is
empty or low, replace.

The speed sensor is not functioning

Check the speed sensor is operating correctly and
is sending a signal to the controller.

5. Condition: The dosing valve alarm is displayed.
Possible Causes
Actions

The dosing valve assembly is not moving.

Check the pneumatic pressure There must be more
than 60 psi (4.14 bar) to have the dosing valve
function correctly.

Check the confirm sensor for correct placement.
6. Condition: The speed sensor alarm is displayed.
Possible Causes
Actions

The speed sensor has been dislodged.

Check speed sensor connections.

The speed sensor has malfunctioned.

Replace speed sensor.
7. Condition: The system is in speed compensated mode but is missing bottles.
Possible Causes
Actions

The container sensor is not detecting a container.

Check sensor connections. If necessary, replace
sensor.

The speed sensor has been dislodged.

Check speed sensor connections.

The speed sensor has malfunctioned.

Replace speed sensor.
**Note: The UltraDoser system will continue to dose even if there is a speed sensor fault. The 500S
controller displays the last known speed and compensates per that speed.