The internal temperature of the spindle motor exceeds the specified level. The motor is used in excess of the continuous…

The motor speed cannot follow a specified speed. An excessive motor load torque is detected. The acceleration/deceleration time in parameter…

The Power Supply (PS) becomes ready (“00” is indicated), but the DC link voltage is too low in the Spindle…

The Power Supply (PS) found a missing power supply phase. (Power Supply (PS) alarm E) Check the voltage of the…

The temperature sensor of the motor is disconnected 1 Check and correct the parameter.2 Replace the feedback cable. Spindle Amplifier…

The motor speed has exceeded 115% of its rated speed. When the spindle axis was in position control mode, positional…

The temperature in the power semiconductor cooling radiator is abnormally high. 1 Improve the heat sink cooling status.2 If the…

A drop in the input power voltage in the spindle amplifier is detected. 1 The input power voltage in the…

Overvoltage of the DC link section of the Power Supply (PS) was detected. (Power Supply (PS) alarm indication: 7) Power…

The motor current is abnormally high. A motor-specific parameter does not match the motor model. Poor motor insulation 1 Check…

Abnormality in an Spindle Amplifier control circuit component is detected. (Internal RAM is abnormal.) Replace the Spindle Amplifier control printed…

A spindle amplifier that is not registered in the spindle software program is used. Upgrade the spindle software program. Spindle…

The switch sequence in spindle switch/output switch operation is abnormal. The switching MC contact status check signal and command do…

Abnormality in an Spindle Amplifier control circuit component is detected. (RAM for external data is abnormal.) Replace the Spindle Amplifier…

Abnormality in spindle amplifier ID data is detected. Replace the Spindle Amplifier. Spindle Amplifier indication 17

Abnormality in an Spindle Amplifier control circuit component is detected. (Program ROM data is abnormal.) Replace the Spindle Amplifier control…

Abnormality in an Spindle Amplifier component is detected. (The initial value for the U phase current detection circuit is abnormal.)…

Abnormality in an Spindle Amplifier component is detected. (The initial value of the V phase current detection circuit is abnormal.)…

The polarity parameter setting of the position sensor is wrong. Check and correct the parameters. (Parameter No. 4000#0, 4001#4) Spindle…

The CNC power is turned off (normal power-off or broken cable). An error is detected in communication data transferred to…

The spindle position coder (connector JYA3) signal is abnormal. Replace the cable or encoder Spindle Amplifier indication 27

Excessive load has been applied continuously for a certain period of time. (This alarm is issued also when the motor…

Overcurrent is detected in PowerSupply (PS) main circuit input.(Power Supply (PS) alarmindication: 1) Unbalanced power supply. Power Supply (PS) selection…

The motor cannot rotate at a specified speed. (A level not exceeding the SST level for the rotation command has…

Abnormality in an Spindle Amplifier control circuit component is detected. (The LSI device for serial transfer is abnormal.) Replace the…

The DC power voltage in the powercircuit is insufficient when the magnetic contactor is turned on. (Power Supply (PS) alarm…

Parameter data exceeding the allowable limit is set. Correct a parameter value according to the FANUC AC SPINDLE MOTOR αi…

An error counter overflow occurred. Check whether the position gain value is too large, and correct the value. Spindle Amplifier…

The setting of the parameter for the number of pulses in the speed detector is incorrect. The setting of the…

1 The 1-rotation signal of the spindle position coder (connector JYA3) is abnormal.2 Parameter setting error 1 Check and correct…

The 1-rotation signal of the spindle position coder (connector JYA3) is disconnected. Replace the cable. Spindle Amplifier indication 42

The differential speed position coder signal (connector JYA3S) in the submodule SW is abnormal. Replace the cable. Spindle Amplifier indication…

The 1-rotation signal in threading is abnormal. 1 Check and correct the parameter.2 Replace the cable.3 Readjust the BZ sensor…

The A/B phase signal of the spindle position coder (connector JYA3) is abnormal. The relationship between the A/B phase and…

In differential speed mode, the speed of the other spindle converted to the speed of the local spindle has exceeded…

In spindle synchronization, the speed command calculation value exceeded the allowable limit (the motor speed is calculated by multiplying the…

Input voltage drop was detected. (Power Supply (PS) alarm indication: 4) (Momentary power failure or poor MC contact) 1 Check…

An abnormality is detected in the interface between the CNC and spindle amplifier (the ITP signal stopped). 1 Replace the…

An abnormality is detected in the interface between the CNC and spindle amplifier the ITP signal stopped). 1 Replace the…

An overload current was detected. Review the load state. Spindle Amplifier indication 54

The power line state signal of the magnetic contactor for selecting a spindle or output is abnormal. 1 Replace the…

The internal cooling fan stopped. Replace the internal cooling fan. Spindle Amplifier indication 56

An overload was detected in the regenerative resistance. (Power Supply (PS) alarm indication: H) Thermostat operation or short-time overload was…

The temperature of the radiator of the Power Supply (PS) has increased abnormally. (Power Supply (PS) alarm indication: 3) 1…

The internal cooling fan for the Power Supply (PS) stopped. (Power Supply (PS) alarm indication: 2) Replace the Power Supply…

The error between the semi-closed and full-closed sides when the dual position feedback function is used is too large. Check…

The move distance is too long when the magnetic pole is confirmed (synchronization spindle). 1 Check parameter settings.2 Check sensor…

An error was found in communication between spindle amplifiers (connector JX4). 1 Replace the cable.2 Check and correct the connection.…

In the state in which safety speed monitoring was enabled, the system detected that the motor speed exceeded the safety…

The axis data is abnormal. An error was detected in an axis number check. Setting the spindle amplifier side to…

The safety parameter is abnormal. An abnormality is detected in the safety parameter. 1 Inputting the safety parameter again.2 Replace…

A mismatch was detected between the safety speed check results of the spindle amplifier and those of the CNC. 1…

The motor sensor feedback signal is not present (connector JYA2). 1 Replace the feedback cable.2 Check the shield processing.3 Check…

An error was detected in a CPU test. Replace the spindle amplifier control printed-circuit board. Spindle Amplifier indication 74

An error occurred in a spindle amplifier CRC test. Replace the spindle amplifier control printed-circuit board. Spindle Amplifier indication 75

The spindle amplifier detected that safety functions were not executed. Replace the spindle amplifier control printed-circuit board. Spindle Amplifier indication…

A mismatch was detected between the axis number check results of the spindle amplifier and those of the CNC. 1…

A mismatch was detected between the safety parameter check results of the spindle amplifier and those of CNC. 1 Replace…

An error was detected in a spindle amplifier initial test. Replace the spindle amplifier control printed-circuit board. Spindle Amplifier indication…

During inter-Spindle Amplifier communication, an alarm was generated on the remote Spindle Amplifier. Remove the cause of the alarm of…

The one-rotation signal of the motor sensor cannot be correctly detected(connector JYA2). 1 Check and correct the parameter.2 Replace the…

The one-rotation signal of the motor sensor is not generated(connector JYA2). 1 Replace the feedback cable.2 Adjust the sensor. Spindle…

An irregularity was detected in a motor sensor feedback signal(connector JYA2). 1 Replace the feedback cable.2 Adjust the sensor. Spindle…

The spindle sensor feedback signal is not present(connector JYA4). 1 Replace the feedback cable.2 Check the shield processing.3 Check and…

The one-rotation signal of the spindle sensor cannot be correctly detected(connector JYA4). 1 Check and correct the parameter.2 Replace the…

The one-rotation signal of the spindle sensor is not generated(connector JYA4). 1 Replace the feedback cable.2 Adjust the sensor. Spindle…

An irregularity was detected in a spindle sensor feedback signal(connector JYA4). 1 Replace the feedback cable.2 Adjust the sensor. Spindle…

Submodule SM (SSM) error (synchronous spindle) 1 Check the connection between the Spindle Amplifier and the submodule SM (SSM).2 Replace…

Abnormal rotation of the synchronous spindle motor was detected. 1 Check magnetic pole detection operation.2 Check whether the rotor and…

Count error of the magnetic pole position of the synchronous spindle motor. Replace the motor sensor cable. Spindle Amplifier indication…

The motor speed exceeds the acceleration level corresponding to the velocity command. Check the sequence (whether SFR or SRV is…

Communication error between Spindle Amplifier and Power Supply (PS). 1 Replace the communication cable between Spindle Amplifier and Power Supply…

Low Power Supply (PS) control power supply voltage (Power Supply (PS) indication = 6) Replace the Power Supply (PS) control…

Excessive Power Supply (PS) regenerative power (Power Supply (PS) indication = 8) 1 Check the regenerative resistance.2 Check the motor…

Stopped the external radiator cooling fan for Power Supply (PS) (Power Supply (PS) indication = A). Replace the external radiator…

Communication data alarm 1 Replace the communication cable between CNC and Spindle Amplifier.2 Replace the Spindle Amplifier control printed circuit…

Communication data alarm 1 Replace the communication cable between CNC and Spindle Amplifier.2 Replace the Spindle Amplifier control printed circuit…

Communication data alarm 1 Replace the communication cable between CNC and Spindle Amplifier.2 Replace the Spindle Amplifier control printed circuit…

Submodule SW (SSW) error (spindle switching) Replace the submodule SW(SSW). Spindle Amplifier indication c3

Spindle adjustment function alarm Check the message displayed by SERVO GUIDE. Spindle Amplifier indication d1

Serial data error Replace the sensor Spindle Amplifier indication d2

Data transfer error Replace the sensor Spindle Amplifier indication d3

Soft phase 1 Check and correct the sensor parameter setting.2 Take action against noise.3 Replace the sensor. Spindle Amplifier indication…

The motor position exceeded the safety speed zero monitoring width. Perform operation within the safety speed zero range. Spindle Amplifier…

The spindle amplifier speed zero determination result did not match the CNC speed zero determination result. Replace the spindle amplifier…

Device communication error Replace the spindle amplifier control printed circuit board.

Pulse error Replace the sensor. Spindle Amplifier indication d9

Count error 1 Take action against noise.2 Replace the sensor. Spindle Amplifier indication E0

Serial sensor one-rotation signal undetected. 1 Check and correct the sensor parameter setting.2 Replace the sensor. Spindle Amplifier indication E1