Festo CPX-FB38, Electronic Manual

Page: 100 / 120

3. Diagnosis
3−10
Festo P.BE−CPX−FB38−EN en 0804NH
3.2.2 Fault displays of the LEDs for system diagnosis (LED PS, PL, SF, M)
PS (power system) power sensor/logic supply
LED (green) Sequence Status Fault treatment
LED lights up
ON
OFF
No fault, operating
voltage/sensor supply
applied
LED flashes
ON
OFF
Operating voltage/sensor
supply outside the
tolerance range 1. Eliminate short circuit/overload
2. Dependent on the parameterisation:
·
The sensor supply voltage will be
switched on again
automatically
after the short circuit has been
eliminated (default)
·
Power Off/On is necessary
LED is off
ON
OFF
The operating voltage/
sensor supply is not
applied Check the operating voltage connection
of the electronics
Tab.3/6: Fault diagnosis with the LED PS
PL (Power Load) power load supply (outputs/valves)
LED (green) Sequence Status Fault treatment
LED lights up
ON
OFF
No fault, load voltage
applied None
LED flashes
ON
OFF
Load voltage outside
tolerance range 1. Eliminate undervoltage
2. Dependent on the parameterisation:
·
The load voltage supply will be
switched on again
automatically
after the undervoltage has been
eliminated (default)
·
Power Off/On is necessary
Tab.3/7: Fault diagnosis with the LED PL