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Eitel

SLC 5/03 fault led and not comunication

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Hi, I have a problem with CPU SLC 5/03 and the led fault is ON and not flashing. Not is posibol connection for RS232 and RH485. I try to jumper and disconnect the battery and not is posibol connection. What is the solution ? Bye!!

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Is this the way you did it? See PDF. Did you also remove the memory module if it has one? Also see trouble shooting guide PDF. ClearMemorySLC.pdf troubleshooting_guide.pdf Edited by Mickey
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I.ve recently seen this twice, once I think was just the backplane, the latter case was the backplane and power supply (which measured good but wouldn't allow the SLC to boot). What I saw both times was no flicker and blank pause before the LED comes on, but it came on within a second or two after power was applied, and stayed solid...normal faults still have a LED time pattern that you get familiar with, and these two SLC didn't even get that far... Edited by OkiePC

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