Operating and Maintenance Instruction FCU 8000-1 series
Doc.: 3109776 Ed.: 01/13.02.2002
HYDAC Filtertechnik GmbH
E
Page 114
8 Error messages and troubleshooting
Error message
Cause(s)
Remedy
Invalid parameter
You have entered a value which
is outside the permitted value
range (e.g. NAS 40).
Display the permitted value
ranges using the arrow keys +
and -
¯
by scrolling above the
maximum values. Then the
minimum value is automatically
displayed. This works forwards
and backwards.
Check parameter
Defective parameter:
Nr. xx
The self-monitoring function of
the FCU has detected a check
sum error for one or more
parameters.
Cause: A strong electromagnetic
interference has changed the
parameters.
·
Re-set all parameters using
the keypad
·
Alternatively download all
parameters again using the
FCUDESK PC software
Number of defective logs:
The self-monitoring function of
the FCU has detected a check
sum error for one or more stored
logs.
Causes:
·
A strong electromagnetic
interference has changed the
measured value memory
·
The internal back-up battery is
discharged
·
The defective logs are
automatically deleted. This
means that after the next
power up this message is
not displayed again if this
was just a short-term
interference.
·
If this message is displayed
several times, the internal
back-up battery is probably
discharged.
-> Ship FCU to HYDAC for
repair.
No logs stored !
You have tried to print logs, but
the FCU memory is empty.
Take new measurements.
Not enough points
You have tried to print a graph,
but the selected log has
insufficient measurement values
(min. 3) to produce a graph.
Print log as a table
Battery low
The rechargeable batteries are
low.
You can still take
measurements, but preferably
you should connect to the
mains, especially for printing.
Use mains
The rechargeable batteries are
discharged.
·
You must charge the
batteries using the mains for
approx. 11 hours.
·
However, you can still take
measurements as normal
using the mains adaptor.
