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1984 Mazak ST 40 4 axis Fanuc 6T Controls

pumpguy

Plastic
Joined
May 15, 2019
Please help! I am trying to resurrect an old Mazak ST40 4 axis with fanuc 6t controls. I have an alarm -Z OT 221. controls still say LSK. I cannot clear it. It is for the upper turret I think. Neither turret is on the over travel limit switch.

Thanks, Pumpguy
 
Just because it is NOT on the switch,
does not mean that the switch is closed,
and/or there is a broken wire,
a bad relay powering the e-stop string,
a bad input on the I/O board in back of the large Mazak board in the bottom of the control.

Just some ideas to get you started.

Bill
 








 
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