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Quad 4c MK2, vision problems

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#86046

Quad 4c MK2, vision problems | 23 December, 2020

Hi, I'm using a "ye olde" Quad 4c Mk2 built in 1995 for eight years. During that period I had to change 3 HDD (now it runs a compact flash with and free DOS), 3 Z-rod bellows,3 laser heads, some monitors, nozzles and misc parts. Despite that it has the destiny of dinosaurs, it is a work horse and runs and runs... But today a new failure appeared: A red alarm "Icos Data Error" on Central Controller screen. If somebody has some advice about troubleshut this problem I will infinitelly appreciate it. Best regards Merry Xmass And let this year end at once!

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#86047

Quad 4c MK2, vision problems | 23 December, 2020

Hello Marcelo, When you initialize the system in central controller...does it see mvs? Will a different job that you ran before work or does the same error happen? When do you see this error.

You can email me at http://www.precision-repairs.com if you need anything.

Bob

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#86048

Quad 4c MK2, vision problems | 24 December, 2020

Hi Bob. When I initialize the system, all functions appears. In "Utilities/Initialize System Comm" option too. I have to confirm yet, but this problem appears to not happen in all programs. The red error message shows when I launch the program. My suspect is that there are some comm isues, lately comm retry messages appears at the bottom of the screen when machine is running/changing boards. This problem appeared last hour yesterday and I just tossed the inquiry to the forum, today I'm opening the panels to check connectors, the back up batt (it have 8 years old!) and mod codes. Best regards and merry Christmas!

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#86049

Quad 4c MK2, vision problems | 24 December, 2020

Hi again Bob. I have checked the machine and it resulted that the files of that program were corrupted in some way. All other programs worked fine. I have a back up copy of all progs in a different drive so I fixed it. Two days ago there was a huge black out here, in buenos Aires City, and the machine had that program active at that moment, also there is an intermitent comm failure that I was not able to spot by now (frequent 4c01 comm retry), maybe the conjunction of those two factors caused troubles. Our Quad is 25 years old and after 8 years using it, it is far from standard. I installed a compact flash memory with an IDE adapter instead an HDD and free DOS. I boots pretty fast, but some unforeseen reliabilyty issues could happen. Again thank you, best regards and merry Christmas!

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#86050

Quad 4c MK2, vision problems | 24 December, 2020

Good job, For the comm errors i would try:

1. Reseat all the cables that plug into the white multiplexer that is attached to the back of the computer. 2. Reseat the EPCU card down inside the machine.

good luck, Merry Xmas, Bob

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