Diagnosis Led Bus Error - Festo CP-FB13-E Programming And Diagnostics Manual

3. Diagnosis

3.1.3 Diagnosis LED BUS ERROR

LED Colour
BUS Red
ERROR flashes fast
BUS Red
ERROR flashes at
1-second
intervals
BUS Out
ERROR
3-6
Possible PROFIBUS-specific LED displays on the operating
status of the CP node can be found in the following table.
Operating status
Station number 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 not correct,
nominal • actual status
Valve test
Error treatment
S Correct station number
(0, ..., 125)
Check the ...
S Setting of the address selector
switch
S Field bus module
S Field bus connection
S Configuration
–
(Conclude valve test)
Festo P.BE-CP-FB13-E-EN en 0112e