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that's what is strange, it has five wires, but the jumper has always been on. Always, as in for years. Took it off, it worked, put it back on just to see what happened, it still works. Thinking it...

Tried something different, long story short, when I pulled the jumper OFF S20 (Overheat)on the X Axis, she came to life, so...... the normal position is to have this jumpered. What is the component...

Got the new Amphenol plug installed, did not make a difference, I still have the 400 servo alarm. Any ideas? I'm in real trouble here.
Thanks.

Having to have a new amphenol plug built, should be here Monday, glad to hear truning off parameter would not clear alarm, (it didn't) and I was hoping we found the problem. Now I am still hopeful...

Fourth axis plug is shot, repairing it now, but I turned the parameter for the fourth "off" and still have 400 servo alarm. Not sure that is the problem. This is maddening.....

REALLY??? Never heard of that one.

[QUOTE=tc429;1202213]when swapping top cards(assuming 6047 or 6050) watch the jumpers...usually only one drive has 5 wires going into the white CN1 plug, the one with 5 wires S1 jumper gets set low,...

First thing I tried, nope. Thanks

Servos are 10MB, Drive units are A06B 6047's. (Sorry) and thanks for the replys!

Dan

6M controller, (Matsuura 760 VDC) with a 400 Servo alarm. Called Fanuc and the response was so vague, "Could be anything" they said. No alarms on drives, swapped all the top cards and base units,...