Those are part numbers and date codes. The numbers ave nothing to do with the programming.
Cheers!
Bruce
Quoting Richard Cook <richardcook331@...>:
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Yes I cleaned the contact points with alcohol and q tip, for the female receptacle part I used a acid brush and alcohol.
Well guess what, it worked good, put the cover back on and my friendly fail code 1310 appears again. How aggravating. It indicates eeprom u21. I got the part number off the IC PMI 8639 1826-1048. I'm not sure how to read the chip I see a lot of chip with 1826-1048 but not the first number 8639. Can someone enlighten me on this.
Thanks
