Siemens SIMATIC ET 200SP Manual page 62

Interrupts/diagnostic alarms
9.1 Status and error display
Meaning of the LED displays
The following table explains the meaning of the status and error displays. Remedial
measures for diagnostic alarms can be found in the section Diagnostic alarms (Page 64).
DIAG LED
Table 9- 1
Status LED
Table 9- 2
Error LED
Table 9- 3
PWR LED
Table 9- 4
62
Meaning of the DIAG LED
DIAG Meaning
Supply voltage 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
Meaning of the Status LED
Status Meaning
Channel deactivated or error
Off
Channel activated and no error
On
Meaning of the Error LED
Status Meaning
Channel is OK
Off
Channel is faulty
On
Meaning of the PWR LED
PWR Meaning
Line voltage missing
Off
Line voltage available
On
Analog input module AI Energy Meter 400VAC ST (6ES7134-6PA01-0BD0)
Manual, 10/2017, A5E36061895-AB