Hello,

Odd problem with CHNC 3. (1994/1995)
Spindle Brake is not releasing.
If machine is left in JOG Mode and Spindle Free button is pressed: After some time the brake will release and machine will function. (But can still stick if left idle in Auto Mode.)

Seems like some kind of relay or electric/pneumatic switch is sticking - semi working.

Machine has been running fine in the same place for 20 years.

Anyone ever seen this problem before?

Thanks!