MR MESSKO MTRAB - Device Self-Test and LED Status Indicators

7 Commissioning
77BA6820378-03 EN
7.1 Device self test during commissioning
The MTRAB LED signaling during commissioning is explained in the follow-
ing. Observe the following legend for the respective LED state.
Figure57: LED legend
1 LED lights up
2 LED flashes
3 LED off
The device performs a device self-test (approx. 5 seconds / maximum 60
seconds for devices with gamma control) independently after the supply volt-
age is applied. During the entire self-test, the outer LEDs flash successively
Figure58: LED signaling during commissioning