A Anil1973 New Member Apr 26, 2022 #1 we are facing issue of control supply nodule failure. it is siemens make and model - 6SL3100-1DE22. they are in service for about 10-12 yeras. what can be go wrong and what can be check to save this ? we have 20-25 installed. Please advice
we are facing issue of control supply nodule failure. it is siemens make and model - 6SL3100-1DE22. they are in service for about 10-12 yeras. what can be go wrong and what can be check to save this ? we have 20-25 installed. Please advice
rjenkinsgb Well-Known Member Most Helpful Member Apr 26, 2022 #2 Most likely electrolytic capacitors that have failed. Are they being used on an AC or DC input? I suspect AC, with the failures, as AC operation will rely on the high voltage capacitors. Pictures of the inside of a failed unit could be useful, to look for what can be done to repair them or prevent failures?
Most likely electrolytic capacitors that have failed. Are they being used on an AC or DC input? I suspect AC, with the failures, as AC operation will rely on the high voltage capacitors. Pictures of the inside of a failed unit could be useful, to look for what can be done to repair them or prevent failures?