Alarm Description
Code  
  A      Program ROM abnormality
            Program ROM has not been read
   01     Motor Overheat
            The thermostat embedded in the motor winding operated
   02     Excessive Speed Error
            Motor speed is different to commanded speed
  03      Fuse on DC Link 
            Insufficient DC voltage in the spindle power module
  04      Input Fuse Blown
            Input 3 phase supply is low
  05      Control Power Supply Fuse Blown
            Fuses AF2 / AF3 faulty or internal power supply failure
  06     Motor Temperature Sensor Disconnected
            Sensor not detected
  07      Excessive Speed
            Motor speed has exceeded 115% of its rated speed
  08      High 24v Input Voltage
            24vdc supplied is too high
  09     Over Temperature
            Heatsink thermal has triggered
  10      Low 15v Input Voltage
            Internal +15vdc supply is low
  11      DC Link High Voltage
            DC supplied has risen above the rated voltage
  12      Overcurrent Power Circuit
            The motor output current is abnormally high
  13      Data Memory Fault CPU
            Internal +15vdc supply is low
  14      Defective ROM
            ROM Faulty
  15      Spindle switch control alarm
            Contactor status signal does not match the commanded
  16      RAM Fault
            RAM for external data is abnormal
  17      NVRAM Sum Check Error
            Faulty NVRAM
  18      Program Data Sum Check Error
            Faulty ROM
  19      Excessive Offset in U Phase
            U phase current detection circuit is faulty
  20      Excessive offset in V Phase
            V phase current detection circuit is faulty
  21      Position Sensor Polarity Error
            Polarity parameters 4000#0 or 4001#4 are incorrect
  22      TSA Offset Alarm
            Tacho feedback fault
  23      ER Offset Alarm
            Command fault
  24      Serial transfer error
            Communication data transferred to CNC error
  25      Serial Transfer Stop
            Serial data transfer has stopped.
  26      Cs Velocity Detector disconnected
            Position Coder signal fault
  27      Position Coder Disconnected
            Position coder signal fault
  28      Cs Position Detector Disconnected
            Position coder signal fault
  29      Short Time Overload
            Motor shaft locked
  30      Overcurrent Power Circuit
            Input circuit overcurrent
  31      Motor Lock or V Signal Loss
            Motor cannot rotate at a specific speed
  32      RAM Fault LSI
            Internal LSI is abnormal
  33      Shortage Power Charge
            DC power supply not charged when amplifier contactor is enabled
  34      Parameter Setting Error
            Parameter data exceeded the allowed limit
  35      Setting Gear Ratio Error
            Gear ratio data exceeded the allowed limit
  36      Overflow Error Counter
            Error counter overflow occured
  37      Speed Detect Parameter Error
            Speed detector pulse parameter is exceeded
  38      1 Rotation Position Coder Error (JY2/JY4)
            Position coder/sensor/parameter fault (JY2/JY4)
  39      1 Rotation Cs Contouring Control
            Position coder/sensor/parameter fault (JY2/JY4)
  40      1 Rotation Cs Contouring Control not Detected
            Position coder/sensor (JY2/JY4) not detected
  41      1 Rotation Position Coder not Detected
            Position coder/sensor (JY2/JY4) not detected
  42      Position Coder 1 Rotation not Detected
            Position coder/sensor (JY2/JY4) is disconnected
  43      Position Coder Disconnection in Differential Speed Mode
            Position coder/sensor (JY8) is disconnected
  44      Control Circuit A/D Error
            Internal A/D fault
  45      Motor Sensor 1 Rotation Signal is Disconnected
            Position sensor is disconnected
  46      Screw 1 Rotation Position Coder Alarm
            Thread cutting sensor fault
  47      Position Coder Signal Abnormal
            A/B phase of the position coder/sensor (JY2/JY4) is faulty
  48      Position Coder 1 Rotation Signal Abnormality
            The reference signal of the position coder/sensor (JY2/JY4) is faulty
  49      High Converted Differential Speed Alarm
            Difference between spindle and motor via gears is incorrect
  50      Spindle Control Overspeed
            Spindle synchronization speed command is exceeded
  51       Low Volt DC Link
            Input volt drop was detected
  52      ITP Signal Abnormal 1
            NC interface abnormality
  53      ITP Signal Abnormal 2
            NC interface abnormality
  54      Overload Current
            Current overload detected
  55      Power Line Switch Error
            Contactor state signal fault
  56      Inner Cooling Fan Fault
            Speed sensor in the fan has switched
  57      Deceleration Power Fault
            Overload detected in regen
  58      Overload in PSM
            Heatsink thermal has switched
  59      Inner Cooling Fan Fault
            Speed sensor in the fan has switched
  60      Spindle Motor Error
            Overcurrent detected whilst running
  61      Excessive Position Error
            Position sensor/parameter fault
  62      Cs Contour Control Detector Fault
            position sensor/parameter fault
  63      Abnormal Operation
            Faulty control board 
  64      Abnormal Sensor Status
            Misalignment or disconnected sensor
  65      Serial Spindle Warning
            Parameter 4011/4334 error
  66      Amplifier Module Communication
            Communication between amplifiers fault
  67      Spindle Amplifier Module Communication
            Communication between spindle and other units fault
  68      Max Spindle Speed Fault
            position coder/sensor/parameter fault
  69      Safety Speed Exceeded
            parameter/control board fault
  70      Parameter Setting Fault
            position coder/sensor/parameter fault
  71      Dual Check Safety Fault
            parameter mismatch
  72      Spindle Speed Check
            Control board fault
  73      Motor Sensor Disconnected
            Sensor feedback signal is missing
  74      CPU Test Error
            Control board fault
  75      CRC Error
            Control board fault
  76      Initial Test Error
            Control board fault
  77      Axis Number Mismatch Error
            Parameter fault
  78      Safety Parameter Mismatch
            Parameter fault
  79      Initial Test Error
            Control board fault
  80      Other Spindle Amplifier Fault
            Check alarm on other spindle amplifier
  81      1 Rotation Motor Sensor Error
            Position coder/sensor (JY2/JY4) not detected
  82      No 1 Rotation Motor Sensor Error
            Position coder/sensor (JY2/JY4) not detected
  83      Motor Sensor Signal Error
            Position coder/sensor (JY2/JY4) irregularity
  84      Spindle Sensor Disconnected
            Position coder/sensor (JY2/JY4) not detected
  85      1 Rotation Spindle Sensor Error
            Position coder/sensor (JY2/JY4) not detected
  86      No 1 Rotation Spindle Sensor Error
            Position coder/sensor (JY2/JY4) not detected
  87      Spindle Sensor Signal Error
            Position coder/sensor (JY2/JY4) irregularity
  88      Cooling Radiator Fan Failure
            Speed sensor in the fan has switched
  89      No Alarm Desription
  90      Unexpected Rotation Alarm
            Motor wiring/encoder fault
  91      Motor Pole Position Miss Count
            Position coder/sensor (JY2/JY4) fault
  92      Motor Overspeed 2
            Parameter fault
  93      Serial Transfer Error
            Communication data transferred to CNC error
  94      Spindle Switch Control Alarm
            Contactor status signal does not match the commanded
  95     Spindle Sensor Signal Abnormal
            Position coder/sensor (JY2/JY4) fault
  96      Internal Temperature Exceeded
            Thermal sensor has switched
  97      Other Spindle Amplifier Fault
            Check alarm on other spindle amplifier
  98      Other Converter Fault
            Check alarm on other Converter
  99      System Fault
            Faulty unit
  100    Hardware Fault
            Faulty unit
  101    Spindle Motor Overheat Fault
            The thermostat embedded in the motor winding operated
  102    Amplifier Shutdown
            Fault detected
  103    Spindle Servo Error Too Large
            Position coder/sensor (JY2/JY4) fault
  104    Spindle Sensor Signal Abnormal
            Position coder/sensor (JY2/JY4) fault
  105    Serial Communications Error
            Communication between CNC and spindle fault
  106    15v Power Supply Low
            Internal supply fault
  107    Excess Velocity Error (Digital)
            Position coder/sensor (JY2/JY4) fault
  108    24v Power Supply Low
            Internal supply fault
  109    Power Semiconductor Overload
            IPM fault
  110    Amplifier Communication Error
            Communication error between amplifier and module
  111    Converter Low Voltage Control
            Internal supply fault (PSM AL-6)
  112    Converter Discharge Power
            Excessive converter regen (PSM AL-8)
  113    Converter Cooling Fan Failure
            Speed sensor in fan switched (PSM-A)
  114    Communication Error
            Communication error between CNC and spindle amplifier
  115    Excessive Speed
            Motor speed has exceeded 115% of its rated speed
  116    Spindle Position Coder Orientation Fault
            Position coder/sensor (JY2/JY4) not detected
  117    Gear Shift Failure
            Gearbox failure/parameters
  118    Spindle Low Gear Fault
            Gearbox failure/parameters
  119    Spindle High Gear Fault
            Gearbox failure/parameters
  120    Communication Data Error
            Control board fault
  121    Communication Data Error
            Control board fault
  122    Communication Data Error
            Control board fault