Description of the device
1.3 Meaning of the LED display
CP 5622
12
Operating Instructions, 05/2021, C79000-G8976-C279-04
1.3
Meaning of the LED display
LED display
The meaning of the LED display is as follows:
Green and yellow LED
Meaning
Green on
Indicates token rotation (in other words, normal operation)
Green off
Incorrect bus parameters, defective bus (e.g. short-circuit)
or CP not in operation
Green flashing fast, yellow off
Module not started; normal status following reset
Green and yellow flashing alternately
When using more than one module in a PG/PC:
Identification of the module using a diagnostics tool
Green and yellow flashing synchro-
nously
Exception state; error in firmware
Yellow on
DP slave mode
Yellow off
Not DP slave mode
Yellow flashing at one-second intervals Error in DP slave mode.
