Siemens simatic et200sp - Page 86

Interrupts/diagnostic alarms
13.1 Status and error display
Analog input module AI Energy Meter 480VAC ST (6ES7134-6PA20-0BD0)
86 Manual, 12/2015, A5E36061895-AA
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 88).
DIAG LED
Table 13- 1 Meaning of the DIAG LED
DIAG
Meaning
Off
Supply voltage of the ET 200SP not OK
Flashes
Module not ready for operation (no parameters assigned)
On
Module parameters assigned and no module diagnostics
Flashes
Module parameters assigned and module diagnostics
Status LED
Table 13- 2 Meaning of the Status LED
Status
Meaning
Off
Channel deactivated or error
On
Channel activated and no error
Error LED
Table 13- 3 Meaning of the Error LED
Status
Meaning
Off
Channel is OK
On
Channel is faulty
PWR LED
Table 13- 4 Meaning of the PWR LED
PWR
Meaning
Off
Line voltage missing
On
Line voltage available