Festo FB13 - Page 144

Reaction Signal Operating status Error treatment
POWER
Operating voltage applied None
Operating voltage not applied Check operating voltage
connection for electronic
components (pin 1)
POWER V
Operating voltage for
outputs (valves, electrical
outputs) applied
Check operating voltage
for outputs (pin 2)
Operating voltage for
outputs (valves, electrical
outputs) < 21.6 V
Operating voltage for
outputs (valves, electrical
outputs) < 10 V
BUS-ERROR
Operating status normal None
Bus connection faulty.
Possible causes:
• station number not the
same as the configured
station number
• field bus module/master
switched off or defective
• bus connection interrupted,
short circuited
• incorrect number of
I/O bytes
Check the ...
• address selector switch
setting
• field bus module
• field bus connection
• configuration
Station number not
permitted (> 125)
Correct the station
number
Modules not fitted correctly
• more than 12 I/O modules
fitted
• number of analogue
channels > 12
• non-permitted module type
Reduce the ...
• number of I/O modules
Use only permitted
module types
Hardware error Return for servicing
VIFB13 - 03/05 5. Diagnosis/error treatment
9701 NH 5-5