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Error Messages and Troubleshooting
Error message
Cause(n)
Remedy
Flow rate error!
Correct: 250 ml
The flow through the
particle sensor is higher
than the maximum value
of 150 ml/min permitted to
take measurements.
Turn the flow control
valve counterclockwise
until measurement
operation starts.
Flow rate error!
The internal filter is
contaminated. Because of
the inlet pressure of <2
bar, the "Filter
contaminated" fault
message is not issued.
Replace the FCU filter
element.
Filter contaminated
The internal protection
filter for the flow control
valve of the FCU is
exhausted.
Replace the FCU filter
element.
external inlet active
(this message can
only appear with the
OF5C filter unit)
The clogging indicator
fitted in the OF5C has
been activated, the OF5C
filter is exhausted.
Replace the filter
element at OF5C.
Internal dot-matrix
printer not ready
Paper roll empty
Insert a new roll of
paper.
Internal dot-matrix printer
faulty
Send the FCU to
HYDAC for repair.
Error in selected
language
The last language
selected and stored in the
FCU has been changed
due to an internal fault.
The internal back-up
battery is dead.
Download the FCU
languages to the FCU
again using the PC
software package
FluMoS.
If the fault recurs, send
the FCU to HYDAC for
repair.
Reload languages
The internal memory for
languages has been
partially changed due to
an internal fault.
The internal back-up
battery is dead.
Download the FCU
languages to the FCU
again using the PC
software package
FluMoS.
If the fault recurs, send
the FCU to HYDAC for
repair.
FCU 2000-4 series
en(us)
87 / 120
BEWA FCU2000-4 3109987h en-us 2017-01-24.docx
2017-01-24