Festo CPV..-DI01 series Electronic Manual page 133

7. Diagnosis ABB CS31
LED Colour
BUS red
flashes fast
BUS red
flashes slowly
(1−second
intervals)
BUS red
lights up
1)
These fault displays can be switched off by means of the diagnostic mode setting.
They will then no longer be passed onto the CS31 master (see section 1.2.2).
Tab. 7/3: Fault diagnosis with the red BUS LED
Festo P.BE−CP−DI01−EN en 0503d
Fault diagnosis with the red LED (BUS)
Operating status
Station number incorrectly (>
60) set
Address setting is not correct,
e.g. assigned twice
CPV Direct is not yet initialized
Load voltage failure on the
1)
CPV Direct
Load voltage failure on the
CP valve terminal in the
1)
extension
Load voltage failure on
1)
CP output module
Undervoltage on the valves of
1)
the CPV Direct
Undervoltage on the CP valves
< 20.4 V (in the extension)
Short circuit/overload at
CP output module
Short circuit in sensor supply
of CP input module
Connection to a CP module
interrupted
CP input module
CP output module
CP valve terminal
Fault treatment
Correct station number
·
(0, ..., 60)
Correct station number
·
Start the bus
·
Check power supply
·
Check power supply
·
Check power supply
·
Check power supply
·
Check power supply
·
1)
Eliminate short circuit/overload
·
Eliminate short circuit/overload
·
Restore connection
·
7−5