Campbell-scientific CS470/CS471 Compact Bubbler System Manuel d'utilisateur télécharger pdf (Page 28)

CS470/CS471 Compact Bubbler System

Any error states arising can be displayed as follows:

Press pump membrane button briefly (< 1 sec). The LED lights

once for a longer period as confirmation, then pauses. 1

error

state arising, then pause. 2

error state arising, then pause. LED

lights continue until all error states arising have flashed. The

CS470/CS471 repeats all error states arising for approximately

two minutes.

The most common causes for erroneous data include:

• poor sensor connections to the datalogger

• damaged cables

• damaged transducers

Problem:

Unit will not respond when attempting serial communications.

Suggestion:

Check the power and signal lines to ensure proper connection to the datalogger.

Check the datalogger program to ensure that the same port the SDI-12 data line

is connected to is specified in the measurement instruction.

NOTE

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Campbell-scientific CS470/CS471 Compact Bubbler System Manuel d'utilisateur Page 28