Diagnostics / service
8.2 Diagnostics via LEDs
8.2.10
Displays on the diagnostics module
LED
DEVICE
BF
SF
242
Display
Off
Green
Yellow
Off
Red
Flashing red
Off
Red
Flashing red
Description
No voltage, undervoltage, overvoltage
•
Device error
•
Device OK, user program in safety mode
User program stopped; device in safe state (configuring
mode; configuration not released; no configuration)
No bus error
Error, e.g. incorrect PROFIBUS address
(DP interface module not addressed)
Parameterization or configuration error
No group error
Group error (communications error, ...)
Group error: logic error (sequence, ...)
System Manual, 10/2008, 926 2530-02 DS 02
Modular Safety System 3RK3