Hi, ccdubs
I have done both, I attempt to re-programm first, then if this fails, I will replace the EEPROM. I will admit that mobile applications are one of the most hostile environments, and being in the oilfield, the field personnel do not show the TLC one would expect.
In my case it's almost always the EEPROM, that when replaced or reprogrammed, will get the unit running again.
I am in the process of installing a DCDC converter to power the T100MD-888+ PLC's, but it will be some time before I see any results, and I do not know, if the EEPROM's "wear out" from the exposed "Load dump" conditions.
Do you have any recommendations?