Siemens SIMATIC ET 200SP Manual - Page 26

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Interrupts, diagnostics, error, and system messages

5.1 Status and error displays

PWR LED on the interface module

Table 5- 2

PWR status display on the interface module

PWR LED

Supply voltage not present or too small

Off

Supply voltage present

LK1/LK2 LED on the BusAdapter

Table 5- 3

LK1/LK2status display on the BusAdapter

LEDs LK1/LK2

There is no Ethernet connection between the

PROFINET IO interface of your PROFINET device

Off

and a communication partner (e.g. IO controller).

There is an Ethernet connection between the

PROFINET IO interface of your PROFINET device

and a communication partner (e.g. IO controller).

The "Node flash test" is run (the RN/ER/MT LEDs

also flash).

Flashes

LED display of configuration errors

Configuration errors of the ET 200SP distributed I/O system are output on the

interface  m odule by the ERROR (red) and MAINT (yellow) LEDs.

The following configuration errors are indicated by the LEDs:

● More than one I/O module pulled

● Missing server module

● Interruptions or short circuit on the backplane bus

Meaning

Remedy

Check the supply voltage.

Remedy

Check whether the bus cable to the switch/

IO controller is interrupted.

IM 155-6 PN ST interface module (6ES7155-6AU00-0BN0)

Manual, 12/2014, A5E03576904-AC