![IFM Electronic efector 600 TN21 Series Operating Instructions Manual Download Page 18](http://html1.mh-extra.com/html/ifm-electronic/efector-600-tn21-series/efector-600-tn21-series_operating-instructions-manual_3907783018.webp)
18
10.2 Error indications / self-diagnostics
Diplay
Warning message
[SC1]
Excessive current at OUT1� LED1 for OUT1 flashing�
[SC2]
Excessive current at OUT2� LED1 for OUT2 flashing�
[OL]
Detection zone exceeded�
[UL]
Below the detection zone�
[C�Loc]
Setting pushbuttons locked, parameter change rejected�
Active IO-Link communication�
[S�Loc]
Setting pushbuttons locked, parameter change rejected�
Unlock using parameter setting software�
Analogue signal in case of an error
11 Technical data
Technical data and scale drawing at www�ifm�com�