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Old 10-27-2010, 12:09 PM   #3912 (permalink)
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Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
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Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
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It sounds like the LEM was hooked up right.

Possible things to cause overcurrent not to work:
D3 in reverse. D3 bad. R12 not 10k, R15 not 330 Ohm, R11 not 1k, Bad U8 (comparator), U8 in reverse, D8, D9 in backwards or bad, R9 not 2k.

These would be really important: R14 not 750 Ohm 1%, R18 not 3k 1%. Not 500 Ohm pot for VR1.
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