XG1V4 set up problem

Got the XG1V4 box yesterday and was trying to set it up last night and this morning.  Keep getting error RDK-03004.  Tried to use chat tech support and couldn't get it resolved.  Have a tech scheduled to come Tuesday but am wondering if there's anything else I can do until then.  Tried the old X1 box and got the same error on that too which is confusing as it worked fine before I unplugged it to try installing the new box.  Cable internet works just fine.