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10/11/08 12:29

'Fanuc OT error code 401'


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Fanuc OT error code 401

Dirix Herman (84.198.86.61) -

I have some problem with my yamazaki cnc lathe wit FANUC OT control. The machine won't move any more. On the display is marked error code 401. This means PRDY not ready. When I take a look at the Velocity Control Unit I can see that two red led's are on. They are marked TGL and TGM OV. I have the maintenance manual but I don't have the right version. The type of VCU is not mentioned in the manual. The type of the Velocity Control Unit is A06B-6050-H203

Does anybody now what is means (TGL TGM 0V) and why these leds are on?

Comment #1 nhon (222.254.67.182) -

I know Fanuc OT your velocity is dc servo motor.

1.You can check mechanical axis by hand motion

2.Check driver board by change each other

3.Check dc motor: brush, wire..

I see your velocity may be fail, You can repair it or buy new one then ok.

401 alarm is the standard Fanuc alarm with servo axis fail, spindle fail.

Good lucky!

Comment #2 derwaysh khan (116.71.151.10) -

We have TORNADO 200 Lathe MAchine with FANUC OT control in which a alarm 401 is generated. what are the possible solutions?

Comment #3 naval kishore (121.247.83.198) - Sun Aug 31 10:40:53 2008

dear sir,

i can solve your problem online but all are payble.

feel free contact at 009818903012 in india.

naval

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CNC Troubleshooting 'Fanuc OT error code 401'