Festo VIFB11-02 Series Manual page 164

VIFB11 - 02
Reaction Sequence
ERROR LED
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Fig. 6/3: LED display of operating status (continued)
6-6
6. Diagnosis and error treatment
Operating status
No internal terminal error,
No fitting error
• Non-permitted station
number set, station
address assigned twice
or max. value exceeded
• Too many transmission
errors (error counter
overrun)
• Blinks once when
switched on (LED test)
• Time-out expired, no
valid telegrams received
during the time-out time,
bus error, communication
error or loss of
communication
Hardware error
Error treatment
None
• Correct station
address
• Check cables/plug
connectors, switch valve
terminal on again
• None
• Check connection to
PLC
Servicing required
9902d