Siemens Simatic ET 200SP Manual page 110

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 111).
DIAG LED
Table 14- 1
Status LED
Table 14- 2
see also Neutral current In (Page 92)
Error LED
Table 14- 3
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
Manual, 07/2018, A5E42674880-AA
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 disabled
Off
Channel activated and no error
On
Channel enabled and error
On
Meaning of the Error LED
Status Meaning
Channel is OK
Off
Channel is faulty
On
Interrupts/diagnostic alarms
14.1 Status and error display
109