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Error Messages and Troubleshooting
Error message
Cause(n)
Remedy
Calibration defect
The calibration values in
the EEPROM have been
altered due to electrical
interference.
Send the FCU to
HYDAC for repair.
Device ID defect
Internal device
designations in the
EEPROM have been
altered due to electrical
interference.
No measures required,
as these values do not
affect the FCU function.
Send the FCU to
HYDAC for repair.
Water/air in oil
Warning message when a
sample exhibits a high
water or air content.
Nothing needs to be
done unless this
message pops up when
the fluid is clear.
If this fault message also
occurs when the fluid is
clear, then send the FCU
to HYDAC for repair if
necessary.
FCU 2000-4 series
en(us)
88 / 120
BEWA FCU2000-4 3109987h en-us 2017-01-24.docx
2017-01-24