Okuma Alarm-B 2177 MCS Servo data error
The servo data sent from the NC for initialization or operation is not applicable to the inverter unit.
If this alarm occurs after change of inverter unit, the servo data file is not applicable to the inverter unit.
If this alarm occurs after adjustment or change of the servo data, the servo data is wrongly changed.
Axis name or none (spindle)
XXXX= Data ID number of the data that caused the error
YY= Data set number of the data that caused the error
ZZ= Error content
2: Wrongly set timing
3: No transmission
4: Calculation error
Probable Faulty Locations
– Servo data file not compatible with inverter unit
– Inverter unit not compatible with NC software
– Inverter unit control board
– NC software