Okuma Alarms Errors

Okuma Alarm-C 3166 MCS Encoder with shaft detected error The encoder with shaft has become unable to detect positional data. Object Axis name or none (spindle) Character-string None Code Same…

Okuma Alarm-C 3167 MCS Encoder with shaft initialization failure An error occurred in initialization of the encoder with shaft. Object Axis name or none (spindle) Character-string None Code Same with…

Okuma Alarm-C 3168 MCS ABSO SCALE error An error occurred in initialization of ABSO SCALE. Object Axis name or none (spindle) Probable Faulty Locations – ABSO SCALE

Okuma Alarm-C 3169 MCS ABSO SCALE initialization failure An error occurred in initialization of ABSO SCALE. Object Axis name or none (spindle) Character-string None Code Same with Probable Faulty Locations…

Okuma Alarm-C 3170 MCS Magnetic encoder alarm The magnetic pulse generator has become unable to detect the motor speed. Or, the number of magnetic encoder gear teeth does not match…

Okuma Alarm-C 3172 MCS Pulse generator count over The PG (pulse generator) count value per one turn differs from the corresponding data specified in servo data file. Object Axis name…

Okuma Alarm-C 3173 MCS Motor overheat The motor temperature is abnormally high. Object Axis name or none (spindle) Character-string None Code YYYYZZZZ YYYY = 0 (fixed) ZZZZ = 0010: Motor…

Okuma Alarm-C 3174 MCS Servo link error A communication error occurred in the servo link, disabling the servo unit from receiving commands from the NC. Object Axis name or none…

Okuma Alarm-C 3188 MCS Belt is broken Breakage of belt was detected in the belt-driven axis. Object Axis name or none (spindle) Character-string None Code Load torque (hexadecimal) at the…

Okuma Alarm-C 3189 MCS Axis change control error Axis change was not performed normally. (This is not an alarm caused in MCS.) Object Axis to be selected by axis change…

Okuma Alarm-C 3191 MCS Calculated current position lies outside range An error occurred during calculation of APA value. Object Axis name or none (spindle) Character-string None Code XXXXXXXX 1: Linear…

Okuma Alarm-C 3176 Mistake in data from NC to MCS The NC and the inverter unit exchange commands and responses at constant intervals according to the specified protocol through the…

Okuma Alarm-C 3177 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…

Okuma Alarm-C 3178 MCS Illegal command The NC and the inverter unit exchange commands and responses through the servo link. In this communication, the NC sent an abnormal or inexecutable…

Okuma Alarm-C 3179 MCS CON speed over Increments for positioning command (SRCOND) issued from the NC to the inverter unit exceed the allowable limit. If this alarm occurs in the…

Okuma Alarm-C 3183 MCS Full-closed APA error Difference between the full-closed loop encoder value and the motor encoder value exceeds the allowable range. Object Axis name or none (spindle) Character-string…

Okuma Alarm-C 3184 MCS Over speed Actual motor speed is too high. Object Axis name or none (spindle) Character-string None Code Motor speed detected when this alarm occurred [(rev/4294967296)/Tv] Where,…

Okuma Alarm-C 3185 MCS Speed deviation over Actual motor speed excessively deviates from the speed command. Object Axis name or none (spindle) Character-string None Code XXXXYYYY XXXX: Detected torque (sum…

Okuma Alarm-C 3186 MCS Collision detected The NC torque limiter has detected collision of axis by monitoring the relation between motor output torque and motor acceleration. Object Axis name or…

Okuma Alarm-C 3171 MCS Resolver alarm The resolver does not send any signal. Object Axis name or none (spindle) Character-string None Code 1 (fixed) Probable Faulty Locations – Resolver trouble,…

Okuma Alarm-C 3187 MCS Urgent-stop time over The axis cannot stop within a preset time after reception of emergency stop command. Object Axis name or none (spindle) Character-string None Code…

Okuma Alarm-C 3192 MCS Motor overload The motor load has exceeded the preset value, activating the overload protection function. Object Axis name or none (spindle) Character-string None Code YYYYZZZZ YYYY->…

Okuma Alarm-C 3194 MCS ABSO SCALE sub-slider detected error ERROR occurred by sub-slider of absoscale for the transfer spec. Index Axis or None Character-string None Code XXYYZZZZ XX E-link sequence…

Okuma Alarm-C 3181 MCS DIFF over Axis movement caused a large positioning error. While the axis is in a target position or stopped, the target value and the calculated value…

Okuma Alarm-C 3182 MCS APA speed over The position encoder value (RAPA) changes as the motor rotates. The NC checks this change with preset frequency. This alarm occurs if the…

Okuma Alarm-C 3190 MCS Independent encoder initialization failure An error occurred during initialization of the MCS independent encoder. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX-> Encoder…

Okuma Alarm-C 3195 MCS Tandem control communication error Concerning tandem control of synchronism-axis, The communication data that slave-axis received in communication between slave-station was ERROR. Object Axis(Main-spindle) or None Character-string…

Okuma Alarm-C 3213 DNC Text transmission error During text transmission, an error which does not allow transmission has occurred. Character-string Five characters of transfer command or transfer sub command of…

Okuma Alarm-C 3196 MCS Full abso scale link error An alarm occurred in full absolute scale communication. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX=FF Fixed YY=00…

Okuma Alarm-C 3214 FMS Coupling mode change Conditions for selecting FMS coupling mode are not satisfied. Code 1->Automatic operation mode is not selected. Probable Faulty Locations Operation mode selection error…

Okuma Alarm-C 3180 MCS Speed command over Speed command value issued from the NC to the inverter unit exceeds the allowable limit. Object Axis name or none (spindle) Character-string None…

Okuma Alarm-C 3202 User reserve code Output variable VDOUT [991] is executed after assigning data to it. That is, this alarm occurs when “VDOUT [991] = oooo” data is executed….

Okuma Alarm-C 3207 DNC Start conditions DNC start conditions are not sufficient. Code 1->For buffer operation of protocol A in DNC-B, operation preparation is not completed yet. 2->For buffer operation…

Okuma Alarm-C 3208 DNC Initialization sequence impossible Initialization disable command [N, INT] is received from the host computer. Probable Faulty Locations The host computer cannot create initialized data. Measures to…

Okuma Alarm-C 3209 DNC Illegal text from host The received text is not allowed in this system. Character-string Five characters of transfer command or transfer sub command at the beginning…