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sorry, can't get into parameters while in 401 servo error!

problem:mori fanuc 6T gone from sick to dead. On hitting "control on" button I get a couple seconds pause followed by a couple seconds of PRDY leds on both X and Z axis boards, then kicked off with...

Problem solved by swapping in a new fanuc power supply board.
My thanks to the full service machine tool guys at Billor Machine Tool Service out of Irving Texas. Quick and effective.

The resistor is now replaced, but there is a problem with the 5 volts feeding the TTL logic on the board. It takes 20 min to ramp up to 5 volts. I guess the power supply board behind it is...

small c error on master PCB after short circuit of 24 volt input switch power
I have a problem with a leadwell MCV 550 with a fanuc 10MA control. In order to repair this problem(or part of the...

this is an olde thread on cnczone. I presume you have conquered that problem. I have a problem myself with a leadwell MCV 550 with a fanuc control. In order to repair this, I need to know the proper...

We have an SH500
It had a 910 parity alarm.
We cleared it
Loaded all the parameter back (NC, PMC , Pitch etc.)

Now we have ab EX1047 alarm

Any idea's

Thanks

What about with the feed turned down to 10. I would say the door.