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Help With Faulty Juki KE-730

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Help With Faulty Juki KE-730 | 26 August, 2017

Mid-production our KE-730 halted and gave us a “SUB CPU1:BUS ERROR” message on the video monitor. Then we got on the same monitor a detailed error message with address and byte information (unfortunately I didn’t copy the details). Now when we boot we get a message on the main screen E159199 saying HARDWARE IS WRONG. We tried re-plugging a few of the cards in case we had a connection problem, but that didn’t fix it.

The distributor no longer supports these machines, and we use a local guy that has worked on them, and he believes the CPU card on the right of the equipment bay for the image processor is faulty. The part number is E8601721. However there is a red warning light in the main CU card on the left of the machine.

I have found a dealer in China that will provide a used CPU card, but I am reluctant to immediately buy this part without getting another opinion. Curious if anyone can shed some light on the problem, and suggest some remedies.

thanks !

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