S7-1200 voltage

Hi all 

could anyone help.

Without thinking I have accidentally applied 240v ac to my 1214 dcdcdc. I have replaced the internal fuse several times but when 24v dc is applied to the unit to try it it blows again. I have tried testing he boards and I can’t see anything unordinary wrong... could anyone suggest anything what may be wrong or have experienced this before?

thanks

alex

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Split from about SIEMENS PLC.

Closed cause question posted twice.

The second thread with the subject S7-1200 voltage issue is published within the conference SIMATIC S7-1200.

Best regards

Jen_Moderator