Fanuc Alarm PS194 ZERO RETURN END NOT ON REF
Fanuc Alarm Description
The axis specified in automatic zero return was not at the correct zero point when positioning was completed.
Perform zero return from a point whose distance from the zero return start position to the zero point is 2 or more revolutions of the motor.
Other probable causes are:
– The positional deviation after triggering the deceleration dog is less than 128.
– Insufficient voltage or malfunctioning pulse coder.
The axis specified in G28 (automatic reference position return) was not at the reference position when positioning was completed.