Siemens SIMATIC ET 200SP Manual page 32

Displays and interrupts
5.1 Status and error displays of the I/O module AI-DI 16/DQ16x24VDC HART HA
DIAG LED
Table 5-1
DIAG LED
MT LED
Table 5-2
PWR LED
Table 5-3
32
Diagnostics display of the DIAG LED
Meaning
The power supply of the ET 200SP HA is disrupted or switched off.
Off
Module is not configured.
Flashes
Module is configured, a diagnostics message is not pending.
on
Module is configured, at least one diagnostic message is pending.
Flashes
Maintenance display of the MT LED
MT LED Meaning
There is no maintenance required.
Off
Maintenance is required, i.e. at least one maintenance event has occurred.
on
Status display of the PWR LED
PWR LED Meaning
Supply voltage L+ missing.
Off
Supply voltage L+ present.
on
Input/output module AI-DI 16/DQ16x24VDC HART HA (6DL1133-6EW00-0PH1)
Manual, 05/2017, A5E39294170-AA