This error applies only to the 1000 and 2000 series DCC machines with 22"-high servo chassis.
The Z-axis servo amplifier overheated and shut down.
What you should do:
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.
Allow the servos to cool before you proceed.
If the error reoccurs, contact your Giddings & Lewis service representative.