
Diagnostics and troubleshooting
Levelflex FMP56, FMP57 FOUNDATION Fieldbus
106
Hauser
13
Diagnostics and troubleshooting
13.1 General trouble shooting
13.1.1 General errors
Error
Possible cause
Remedial action
Device does not respond.
Supply voltage not connected.
Connect the correct voltage.
The cables do not contact the
terminals properly.
Ensure electrical contact between the
cable and the terminal.
Values on the display
invisible
Contrast setting is too weak or too
strong.
• Increase contrast by pressing and
simultaneously.
• Decrease contrast by pressing and
simultaneously.
The plug of the display cable is not
connected correctly.
Connect the plut correctly.
Display is defective.
Replace display.
"Communication error" is
indicated on the display when
starting the device or
connecting the display
Electromagnetic interference
Check grounding of the device.
Broken display cable or display plug.
Exchange display.
CDI communication does not
work.
Wrong setting of the COM port on
the computer.
Check the setting of the COM port on
the computer and change it if necessary.
Device measures incorrectly.
Parametrization error
Check and adjust parameterization.
Содержание Levelflex FMP56
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