Festo 174335, Electronic Manual

Page: 127 / 184

5. Diagnosis and error treatment
5-5
Festo P.BE-VIFB13-03-EN en 0003c
LEDs Sequence Operating status Error handling
Power
ON
OFF
Operating voltage applied None
ON
OFF
Operating voltage not applied Check operating voltage connec-
tion of the electronics (pin 1).
POWER V
ON
OFF
Operating voltage of outputs ap-
plied (valves, electrical outputs) Check operating voltage connec-
tion of the outputs (pin 2).
ON
OFF
Operating voltage of outputs
(valves, electrical outputs)
<
21.6 V.
ON
OFF
Operating voltage of outputs
(valves, electrical outputs)
<
10 V.
Off
Flashing red
Flashing green
Green lit up Red lit up
Fig. 5/3: LED displays for operating status (POWER LEDs)