Diagnosis Via Controller Leds - Festo CPX-CEC Electronic Manual

4. Diagnosis
4.2

Diagnosis via controller LEDs

RUN PLC status: started
LED (green) Sequence
ON
OFF
LED lights up
ON
OFF
LED is off
Tab. 4/2: Displays of RUN LED
STOP PLC status stopped
LED (yellow) Sequence
ON
OFF
LED lights up
ON
OFF
LED is off
Tab. 4/3: Displays of STOP LED
Festo P.BE−CPX−CEC−EN en 1004a
The controller LEDs have the following meaning:
Status
PLC program started
(RUN/STOP switch is in
position "1 ... F")
PLC program stopped
(RUN/STOP switch is in
position "0")
Status
PLC program stopped
(RUN/STOP switch is in
position "0")
PLC program started
(RUN/STOP switch is in
position "1 ... F")
Error number Error handling
Set RUN/STOP
·
switch to position
"1 ... F"
Error number Error handling
Set RUN/STOP
·
switch to position
"0"
4−5