customer has a cics w/4.1 s/w, when I power down and pull the 4.1 and insert the 7.0 it just continues to flash,30 minutes,60 minutes,so i put the 4.1 back in and it comes up with a alarm code of 33.so i press clear and all is ok.I try the 7.o again and it continually flashes,whats up?