Set-up / Operation:
Check the safe functioning of the unit. To do so, bring about a sensor response by taking suitable measures.
Display by LEDs:
LED green
LED yellow
LED red
Flashes slowly (1Hz): adjustment mode empty adjustment
OFF: switching output disabled
ON: switching output enabled
Flashes quickly (8Hz): adjustment error, internal fault
Flashes slowly (1Hz): close to reaching the switching
The red LED becomes active for a short time during the change between "medium not present" and "medium present" (flashes at 1Hz) if the medium is close to reaching the switching threshold. This can occur in particular if the level changes very slowly and is no error message meaning a fault in the unit.
The operation of the level switch is