Festo 03-FB-8 Series, Электронное руководство

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Possible LED displays of the operating status of
the valve terminal are shown in the table below:
LEDs Operating status Error treatment
Green on
Red on
Operating status normal or:
Operating status normal but
valves do not switch. Possible
causes:
•
Operating voltage of outputs not
in tolerance range or not
applied.
•
Compressed air supply not
correct
•
Pilot exhaust blocked
None
Check the ...
•
operating voltage and/or
connection of outputs
(tolerance range
21.6 V DC... 26.4 V)
•
compressed air supply
•
pilot exhaust channels
Red off Operating voltage not applied or
hardware error
•
Check operating voltage
Green off No communication with RIO
network
•
Check operating voltage:
Check configuration of
RIO slaves and correct if
necessary
Green flashing PLC has output a RESET
command or
PLC not in operating status RUN
•
Check program and
correct if necessary
•
Set operating status RUN
Green flashing
(very fast) Wrong setting of address
selector switch
•
Correct address
Green flashing
(long
intervals
between)
•
More than 12 I/O modules fitted
•
More than 13 P modules fitted
•
Number of I/Os is not supported
•
Type of electric module not
permissible
Reduce number of
•
I/O modules
•
P modules
•
Use correct module
Fig. 5/3: LED display of operating status
VIFB8 - 03/05 5. Diagnosis and error treatment
9809c
5-5