Error Displays Of The Leds Ps And Mns - Festo CPV GE-CO2-8 Series Electronic Manual

3. Diagnosis

3.1.2 Error displays of the LEDs PS and MNS

LED Sequence
PS
PS
ON
OFF
PS
ON
OFF
PS
3-4
Error diagnosis with the PS LED
The PS LED (Power status) indicates internal faults in the CP
system.
Colour Operating status
off Operating voltage for
electronics not applied
flashes – Load voltage for CP
valves < 20.4 V (V
green
< 12 V (V
)
off
– Load voltage for CP
valves in the extension
< 12 V
– Load voltage of output
module in the extension
< 12 V
red – CP string interruption
lights up
– Short circuit/overload at
CP output module
– Short circuit/overload at
CP input module
– Failure in sensor power
supply at CP input
module
– The set CANopen
address is not permitted
green/red – Switch module is
flashes missing
– Switch module is
defective
Error treatment
S Check the operating volt-
age (pin 1)
S Check the load voltage
) or (pin 2)
val
S Check cables/plug
connectors
S Eliminate short circuit/
overload
S Eliminate short circuit/
overload
S Check power supply
S Correct station number
S Install switch module
S Replace switch module
Festo P.BE-CP-CO2-EN en 0107NH