Festo CPV-DI01 Manual page 95

3. Diagnosis PROFIBUS-DP
LED Colour
BUS red
lights up
BUS red
flashes fast
BUS red
flashes slowly
(1 second
intervals)
BUS flashes red
out briefly
Fig. 3/4: Error diagnosis with the red BUS LED
Festo P.BE-CP-DI01-EN en 0007a
Error diagnosis with the red LED (BUS):
Operating status
Hardware fault
PROFIBUS address not permitted
Field bus connection not correct.
Possible causes:
– Station number not correct (e.g.
address assigned twice)
– Switched-off or defective field
bus module
– Interrupted, short-circuited or
faulty field bus connection
– Configuration incorrect, master
configuration setting in switch
module
Switch module missing
Switch module defective
Error treatment
S Servicing required
S Correct address setting
(0,...,125)
Check the ...
S address setting
S field bus module
S field bus connection
S configuration of the master and
the setting in the switch module
S Insert switch module
S Replace switch module
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