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If you're familiar with Switcher Power Supplies, the block diagram should suffice with the repair. It's located in the FANUC Series 0 Model C, D Maintenance Manual B-61395E. It's available from...

Thank you very much, jdeere4250!

-Ed

Hi Robowi, thank you for your reply. As I have written twice in previous posts, I tried [0] + [DELETE] and "Power-On", which always hangs the control in the "BUBBLE READ" screen. Tried with two...

No, you can test memory in the IPL mode, but not initialize it. The SRAM Memory board is an upgrade from Bubble Memory, so the IPL mode software wouldn't know what to do with it. Thanks for replying,...

Thanks for the reply memoryman, I appreciate it. The FANUC board is a little different, though I do agree that [0] + [DELETE] should work. These boards just hang up on the BUBBLE READ screen, which I...

Well FANUC was no help... as usual. I know you don't "Initialize" this board as you do the BMU, as it's Static RAM, not Bubble Memory! I know there is a procedure that clears the board other than...

Does anyone have the Initialization Procedure for the SRAM 1M-4 A16B-2201-0130 BMU Upgrade PCB. I'll see if I can get it from FANUC tomorrow, but I'd like to get an early start tomorrow. If you can...

You're welcome Claude. Glad I could help.

-Ed

Actually if you attached the cable to connector JD36B, that is RS-232 Port 2 / Channel 2 / 20=2 / 121, 122, 123 = Stop Bit, Device Type, Baud Rate respectively.

Go to PARAMETER(SETTING) screen, set PWE=1. Be careful, I believe that is an Option Parameter. I didn't think of that. Good luck.

I should clarify about the PC Card. Don't confuse the SRAM Card with the internal SRAM DIMM Module when you look it up in your Maintenance Manual. Lookup the "Memory Card", which can be a battery...

If you re-read my last post, it explains how a close lighting strike induces current on any cables in the vicinity. Unfortunately, no surge protector will help as the current is induced directly on...

Good morning, try MDI mode. Just for future information, if you leave you cables plugged in to your RS-232C ports, a close lightning strike causes an immense magnetic field the cuts through the cable...

Hello, my handle is Absent Minded and my name is Lou. I've been a service engineer in the CNC/Automation industry for 32 years and thought I'd finally become a registered user even though I've...