Originally Posted by Stu @ M Developments
The only chips i know of that wont do this are mine. Its a checksum error.
I would have said a poor connection can also throw up this error but that's on the assumption that the checksum has been recalculated or the checksum check routine had been disabled. It's poor state of affairs if the chip vendor cannot be bothered to recalculate the checksum, a

to you Stu and opposite for the others.