### MP-143 Servo chassis power supply fault

There is a +60v DC power supply failure on the servo control unit (SCU) chassis. It could be caused by a blown fuse in the 60v power supply PC board on the SCU chassis.

What you should do

1. To clear the error, click Clear error in the XYZ Display window. To clear it using an RCU-II, press and hold down the Servo Power Off button and then press the Joy button twice.

2. Determine what caused the loss of power supply. If it was caused by a blown fuse, change the fuse.

3. If the error reoccurs, call your Giddings & Lewis service representative.