IFM Electronic efector150 KN Notice Pour Utilisateurs page 9

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Operation
Check whether the unit functions properly. Indication by LED's and by
the function check output:
LED green unit is ready for operation
LED yellow lit = output is switched
flashing = output is short-circuited
ON = uncertain range:
LED red - when the vessel is full: target medium is not safely detected
- when the vessel is empty: the "empty" signal has changed
+ since the last setpoint adjustment
(e.g. due to excessive build-up of deposits).
fc output
flashing + 2Hz signal of the fc output
= error in setting or locking / unlocking.