Siemens SIMATIC ET 200SP Equipment Manual page 21

Interrupts/diagnostics alarms
5.1 Status and error display
DIAG LED
Table 5- 1
LED MA 1..4
Table 5- 2
Channel status
Channel status LED
Table 5- 3
Channel status
PWR LED
Table 5- 4
PWR LED
20
Error display of the DIAG LED
DIAG LED Meaning
Backplane bus supply of the ET 200SP not OK
Off
Module not ready for operation (no parameters assigned)
Flashes
Module parameters assigned and no module diagnostics
On
Module parameters assigned and module diagnostics
Flashes
Status display of the LED MA .0 .. .3 (manual mode)
Meaning
LED
Automatic
Off
Manual ON (toggle/jog switch) = Manual mode
Output enabled at specific channel
On
Status display of the channel status LED
Meaning
LED
Channel deactivated or activated and process signal = 0
Off
Channel activated and process signal = 1
On
Status display of the PWR LED
Meaning
Missing supply voltage L+
Off
Supply voltage L+ present
On
Digital output module RQ 4x120VDC-230VAC/5A NO MA ST (6ES7132-6MD00-0BB1)
Equipment Manual, , A5E36107692-AB