Electronics Forum: juki 740 subcpu fail (Page 1 of 1)

Juki / Zevatech 740 service manual

Electronics Forum | Thu Feb 02 14:14:08 EST 2017 | siltron

Hi Muzzy, We are experiencing a similar issue with our Juki KE750, the machine did not perform zero rutine, some of the ALM4 led in the zeta ant theta drivers are turned on, and the SUB-CPU led "FAIL" is also on, did you mean that when your machine

Juki / Zevatech 740 service manual

Electronics Forum | Thu Feb 02 14:23:38 EST 2017 | muzzy

Hi Siltron! Yes, after the repair the "FAIL" led is still ON, but the machine works fine.

Juki / Zevatech 740 service manual

Electronics Forum | Sat Jun 11 03:27:30 EDT 2016 | muzzy

Hello. We have a problem with our Juki 740 machine. It does not start at all, both monitors are blank. The only error we can see is "FAIL" LED on CPU board and red "LD2" LED on "AC SERVO BOARD". Does anyone know what the "LD2" LED means? Or, even be

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