Campbell-scientific CS470/CS471 Compact Bubbler System Manual de usuario descargar pdf (Pagina 27)

CS470/CS471 Compact Bubbler System

9.1 Replacing Tubing

1. Untighten the nut securing the tubing to the hose connection.

2. Pull out tubing.

3. Untighten the nut securing the tubing to the bubble chamber.

4. Pull out tubing.

5. Follow procedures provided in Sections 7.4, Connect Tubing to the

CS470/CS471, and 7.5, Bubble Chamber Installation, to reconnect the

tubing.

10. Troubleshooting

10.1 Status LED

For the display of any error states that may occur, the CS470/CS471 has a

Status LED on the front of the device.

The following error states can arise:

TABLE 10-1. Status LED

1 x flash level too low (< 5 cm)

2 x flash level too high (range exceeded)

3 x flash power supply too low

4 x flash pump motor overloaded

5 x flash watchdog error

6 x flash data memory defective

7 x flash data bus defective

8 x flash analog converter defective

9 x flash measuring cell defective

The CS470/CS471 shows an error state when it arises and for approximately 2

minutes after pressing the pump membrane button.

The defective error states signify hardware problems that can only be rectified

by the CS470/CS471 manufacturer repair center. The watchdog error error

state means that the CS470/CS471 has been restarted. No intervention is

necessary.

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Campbell-scientific CS470/CS471 Compact Bubbler System Manual de usuario Pagina 27