mitch236 said:javajunkie said:The only critical time is after the checksum, when the firmware is erased and the new one loads. That is about 15 0r 20 seconds.
To take a wild guess, they probably had a shipment of EPROM w/ some bad chips.
I always wonder why you have to return the unit after there is a firmware failure? Why can't the end used reload the firmware? What does the manufacturer do to restore the unit?
Replace the EPROM chip for you.