Okuma Alarms Errors

Okuma Alarm-B 2166 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-B 2167 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-B 2170 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-B 2171 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-B 2172 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-B 2173 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-B 2174 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-B 2175 MCS Servo link disconnection The servo link is disconnected, disabling the servo unit from receiving commands from the NC. Object Axis name or none (spindle) Character-string None…

Okuma Alarm-B 2176 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-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…

Okuma Alarm-B 2178 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-B 2179 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-B 2184 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-B 2185 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-B 2186 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-B 2203 System variable error A system variable name not registered is designated. Object SYSTEM Character-string: Unregistered variable or character-string, or none Code Hexadecimal number of ASCII code of…

Okuma Alarm-B 2187 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-B 2188 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-B 2180 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-B 2181 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-B 2182 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-B 2183 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-B 2201 M-code error Illegal M code Numerical value greater than 253 or less than 0 is assigned to the address character M (0

Okuma Alarm-B 2202 Common variable error An improper common variable is specified. Common variables other than V1 – V32 and V901 – V932 cannot be used. Object SYSTEM Code Specified…

Okuma Alarm-B 2189 MCS Axis change control error Axis change wasu@not performed normally. (This is not an alarm caused in MCS.) Object Axis to be selected by axis change Character-string…

Okuma Alarm-B 2190 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-B 2191 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-B 2204 Sequence name error Sequence name contains characters other than alphanumerics or too many characters are used. Object SYSTEM Code 1->No character follows address character N, or characters…

Okuma Alarm-B 2208 Character string error Setting of character-string for the user reserved alarm comment system variable is wrong. Object SYSTEM Code 1->No character-string set 2->Character-string:length is longer than 16…

Okuma Alarm-B 2192 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-B 2209 Hexadecimal data error Setting of hexadecimal data for the user reserved alarm comment system variable is wrong. Object SYSTEM Code 1->No hexadecimal data following $ symbol 2->Hexadecimal…

Okuma Alarm-B 2194 MCS ABSO SCALE sub-slider 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 number…

Okuma Alarm-B 2210 Spindle max revolution error Spindle max.[1/min] designating S command value is greater than the value set at the MC USER PARAMETER (SPINDLE) Allowable chuck rotation speed. Or…

Okuma Alarm-B 2195 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…

Okuma Alarm-B 2196 MCS Full abso scale link error An alarm occurred in full absolute scale communication. Object AXIS or none (spindle) Character-string None Code XXYYZZZZ XX=FF Fixed YY=00 Fixed…