Deep Well Measurement; Fault Finding And Repair - Endress+Hauser RTA421 Mode D'emploi

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7.2 Deep well measurement

The water depth in % relative to the distance of the water
surface to the well entry at ground level in a deep well is to
measured and displayed front end.
Example:
Setting up:
Menu group
Analogue input

8. Fault finding and repair

During production all units go through a number of quality
control stages. In order to assist you in fault finding we have
listed a number of possible faults, causes and solutions.
System fault messages
Faults that could occur during the self test or during operation
are immediately indicated by the LED and/or on the LC display.
40
Well full:
- Sensor signal 20 mA
- numeric display is to be 0%
Well empty:
- Sensor signal 4 mA
- numeric display is to be
Address
Input range
Set point setting up see chapter 6.2
(when operating + or -)
100% (when operating
+ or -)
Set up value
20-4
RA NG

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