Siemens SIMATIC ET 200SP Manual page 35

Interrupts, error messages, diagnostics and system alarms
5.1 Status and error displays
LED display of configuration errors
Configuration errors of the ET 200SP distributed IO system are indicated on the interface
module via the red ERROR LED and the yellow MAINT LED.
The following configuration errors are indicated by the LEDs:
• Server module missing during startup of station
• Interruptions or short circuit on the backplane bus
Principle of operation
You determine the information on the cause of the error with the LED error display. After
notification by the flash signal, the error type is displayed followed by the error location/error
code.
The LED error display:
• Is activated during POWER ON and during operation.
• Takes precedence over all other states indicated by the ERROR LED (ER) and MAINT LED
(MT).
• Remains on until the cause of the error has been eliminated.
Table 5- 2
Sequence
1
2
3
4
5
6
34
Display of error type and error location
The ERROR and MAINT LEDs flash 3x at
0.5 Hz
MAINT LED flashes at 1 Hz
The ERROR and MAINT LEDs flash 3x at
2 Hz
The ERROR LED flashes at 1 Hz
The MAINT LED flashes at 1 Hz
Repetition of 1 to 5 until the cause of the error has been eliminated.
Description
Signaling of error type
Display of the error type (decimal)
Signaling of error location/error code
Display of tens digit (decimal) of the error location/error
code
Display of ones digit (decimal) of the error
location/error code
Interface Module IM 155-6 PN R1 (6ES7155-6AU00-0HM0)
Equipment Manual, 11/2022, A5E51160307-AA