Interrupts/diagnostics alarms
5.1 Status and error displays
Analog input module AI 4xRTD/TC 4xM12 (6ES7144-5KD50-0BA0)
Equipment Manual, 08/2021, A5E48753535-AB
35
Meaning of the LEDs
The following tables set out the meaning of the status and error displays. Corrective
measures for diagnostics alarms can be found in the section Diagnostics alarms (Page 38).
DIAG LED
Table 5- 1
Error display of the DIAG LED
DIAG LED
Meaning
Off
No supply voltage 1L+
Flashes
•
Module parameters not assigned
•
Loading firmware
(while the firmware update is being performed, all LEDs retain their current
status)
•
No connection to the ET connection and/or the fieldbus
On
Module parameters assigned and no module diagnostics
Flashes
Module parameters assigned and module diagnostics
LED for the channel status
Table 5- 2
Status display of the LEDs 0, 1, 2 and 3
LED 0, 1, 2 and 3 Meaning
Off
•
Channel deactivated
•
Channel activated and incorrect parameter assignment
•
Parameter error possible with GSD
On
•
Channel activated and correct parameter assignment
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