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11.3 Events
11.3.1 Signal fault
Event only occurs if at least one application adjustment has been carried out�
Description
Troubleshooting
Possible causes:
• Measured capacitances
are below the values of
the empty adjustment
(only if an empty
adjustment has been
carried out).
• Measured capacitances
are greater than the
dynamic range of the
sensor�
• Measured capacitances
are smaller than the
dynamic range of the
sensor (e�g� in case of
external electromagnetic
interference).
If an empty adjustment has been carried out:
►
Check whether the unit has detached from the tank wall�
►
Check the installation conditions
►
Carry out a new empty adjustment
�
If the error is still present:
►
Set the sensitivity of the sensor to [Low]
►
Carry out a new empty adjustment
�
If no empty teach has been carried out:
►
Check whether the unit has detached from the tank wall�
►
Check the installation conditions
►
11.3.2 Plausibility error
Event only occurs if at least one application adjustment has been carried out�
Description
Troubleshooting
The level cannot be clearly
determined�
Possible causes:
• Air inclusions
• Interruption of the
medium flow
• Contact with the sensor
• Deposits
• Metal parts near the
detection range
►
Mount the unit where the medium to be detected cannot
stick�
►
Mount the unit at a sufficient distance to metal parts
►
Avoid deposits by cleaning the unit at regular intervals�
►
Do not touch the unit during the adjustment and during
operation�
If an empty adjustment and a full adjustment have been carried out, the
event [Maintenance required - Cleaning] is provided when deposits begin to
�