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Troubleshooting and maintenance
January 2019
Operating state
Normal operation
Fault
(1)
If the analog function ou2 = I has been selected. If the switching function has been selected: see
column OUT1.
Additions to the analog output
Full signal
Empty signal
4.3
Maintenance
This section includes notes on maintaining the level transmitter.
•
Keep the process connection free of deposits and foreign bodies.
•
In case of heavy soiling: clean the process connection and probe. For cleaning
purposes, the level transmitter can be removed from the adapter and the probe can be
screwed off the unit.
Before installing or removing the unit:
—
—
•
Use only tools suitable for plastic surfaces for wetted surfaces.
•
Ensure gasketed connections (probe or process connection adapter) are not soiled or
damaged. Check sealing rings for damage.
•
Replace any damaged parts.
•
After changing the medium, it may be necessary to change the settings of the level
transmitter. (See
•
IO-Link does not save tank adjustment information. After replacing the transmitter,
perform another tank adjustment. (See
•
It is not possible to repair the level transmitter.
•
After use, dispose of the unit in an environmentally friendly way in accordance with the
applicable national regulations.
44
CAUTION
Ensure no pressure is applied to the system and there is no medium in the tank that
could leak.
Note the potential dangers related to extreme machine and medium temperatures.
Set to another
OUT1
According to the level and ou1
setting
OFF with FOU1 = OFF;
ON with FOU1 = On
With ou2 = I:
With ou2 = InEG:
With ou2 = I:
With ou2 = InEG:
medium)
Perform a tank
Quick Start Guide
00825-0100-4326
(1)
OUT2
According to the level 4 - 20
mA
< 3.6 mA with FOU2 = OFF
> 21 mA with FOU2 = On
20 - 20.5 mA
4 - 3.8 mA
4 - 3.8 mA
20 - 20.5 mA
adjustment)
Quick Start Guide
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