Festo DNCV Série Notice D'utilisation page 27

DNCV−...
Take into consideration the following status displays of the LEDs:
S
Title
S2
S1
Diag
Diag
(additional
with
DNCV−...−D)
12
14
Fig. 10
Festo DNCV−... 0303b English
Status
Sensor for extended end position switched
Sensor for retracted end position switched
LED continuously red:
Fault in end position monitoring; also
S1 and S2 light up (e.g.: proximity switches
defective)
LED continuously red:
Set stroke duration limit exceeded
LED flashing red:
Set double stroke number exceeded
(e.g.: maintenance interval)
Valve for retracting the piston rod switched
(not with DNCV−5/2L−.../ short light pulse with
DNCV−5/2J−.../
Valve for extending the piston rod switched
(not with DNCV−5/2LA−.../ short light pulse
with DNCV−5/2J−.../
View of LED display
S1 Diag
12 14
S2
Diag 12 14
S2
S1
S2 S1 Diag 12 14
S2 S1
Diag 12 14
S1 Diag
S2
12 14
S1 Diag
S2 14
12
Diag
S2 S1 12
14
27