Originally Posted by
Tech09
My original call was for 681 codes, was getting both 08 and 14, cyan and yellow respectively. I replaced all four TCB's. Then machine displayed the SC670-01 at start up. I have since replaced (not necessarily in order because this machine has fried my brain) the BCU, IOB and Controller board. Somewhere in there I flashed firmware. Throughout this whole ordeal the LED sequence on the BCU has changed repeatedly, it has displayed a steady flashing, three flashes then pause for four seconds and two flashes then pause for four seconds. Sometimes changing different components, unplugging connectors or reseating the EEPROM will make that LED series change, sometimes it doesn't. I've looked through other posts about this problem and have tried all those "fixes" as well, still boots up to a SC670-01. Any new advice would be greatly appreciated.
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