5. Diagnosis Festo field bus
5.1.2 Fault displays of the BUS/POWER LEDs
LED
Colour
POWER
out
POWER
green
flashes fast
POWER
green
flashes slowly
Tab. 5/2:
Fault diagnosis with the green POWER LED
5−4
Fault diagnosis with the green LED (POWER)
Operating status
Operating voltage for electronics
not applied
Load voltage of the CP valves
< 20.4 V
Load voltage of the CP valves
< 10 V
Load voltage faults are always displayed with the green LED.
Fault treatment
Check the operating voltage
·
supply (pin 1)
Check the load voltage supply
·
(pin 2)
Check the load voltage supply
·
(pin 2)
Festo P.BE−CP−DI01−EN en 0503d