When using the logo editor to update, i get

found empeg unit: entering program mode
manufacturer=0089, product=88c1
waiting for prompt
starting erase [100%] erase ok
starting program at 0x10000 [Failed to get echo-back on lock/unlock command.

Error: lockpage(10000,1) got code 1

Press the Enter key to continue.


Logo editor is version 1.4

Flashes back to 299 no problem