Displays and interrupts
6
6.1 Status and error displays
LED displays
The status and error displays of the IM 155-6 PN HA are shown in the figure below.
① RN LED (green)
② ER LED (red)
③ MT LED (yellow)
④ ACT LED (green)
⑤ PWR LED (green)
On BusAdapter:
⑥ LED LK1 (green)
⑦ LED LK2 (green)
Figure 6-1 LED displays on the interface module and BusAdapter
Meaning of the LED displays
The following tables provide the meaning of the status, error and maintenance displays. You
can find remedies for diagnostic messages in the section Diagnostics messages and
maintenance events (Page 31)
Interface Module IM 155-6 PN HA (6DL1155-6AU00-0PM0)
Manual, 05/2017, A5E39262148-AA 19
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