Pawks666 Posted December 28, 2015 Report Share Posted December 28, 2015 Hi, I'm using U90Ladder and jazz JZ20-R31. Everything was fine for a while - i was uploading and downloading projects with no problem and everything worked fine. Until suddenly when i tried to download a project i was asked for a password. (PLC is locked! Please enter password..) I never enabled any password protection, and never before was asked to enter it...where did this come from?I have no idea what is the password or how to unlock it now? What to do?Thank you, regards, Pawks Quote Link to comment Share on other sites More sharing options...
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