FCU 8000 series
Error Messages and Troubleshooting
HYDAC FILTER SYSTEMS GMBH
en(us)
Page 91/112
BEWA FCU8000 3109776d en-us 2011-06-10.doc
2011-06-10
Error message
Cause(s)
Remedy
Flow rate error!
Correct: 0
ml
There is no oil flowing
through the particle sensor
(possibly only air).
The flow rate sensor is
faulty.
Measurement volumes are
set to 0 in the PowerUp
Menu.
(Starting with Firmware
Version 3.20, the minimum
measurement volume is min.
10 ml)
Turn the flow control valve
control knob clockwise.
Check the change-over
valve setting.
Check the hydraulic
connections.
Check the pressure.
Fluid must flow through the
return hose on the
OUTLET from a pressure
of >30bar/420psi. The
pressure control valve must
open (see circuit diagram)
Change the measured
volume to between 10 ...
100 ml)
Send the FCU to HYDAC
for repair.
Flow rate error!
Correct: 15
ml
The flow through the particle
sensor is lower than the
minimum value of 20 ml/min
required to take
measurements.
Turn the flow control valve
clockwise until
measurement operation
starts.
Flow rate error!
Correct: 250
ml
The flow through the particle
sensor is higher than the
maximum value of 80 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.
Paper roll empty
Insert a new roll of paper.
Internal printer not
ready
Printer fault
Send the FCU to HYDAC
for repair.