Saia-Burgess Controls AG
User Manual PCD2.M4x60 │
Document 27-648
│ Edition ENG06 │ 2020-10-21
LED behaviour
6
6-1
6
LED behaviour
Three LEDs (green, red and yellow) show the possible operating statuses of the
CPU as set out in the following table:
Meaning
Run
Stop
Error(s)
Key:
Form
●
●
●
LED off
Colour
green
red
yellow
●● LED on
Run
●
●
●●/● LED blink
s
Run conditional
●
●
/
●
Run with error
●
●
Run conditional
with errors
●
●
/
●
Stop
●
Stop with errors
●
Halt
●
System diagnostics
●
●
/
●
/
/