Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters

60 fault codes documented

749

Serial Communication Error during Activation

A serial communication error occurred while the Series 16i system was being activated after power-on. This indicates a problem in the communication link to the spindle amplifier, preventing normal startup.

750

Spindle Amplifier Not Activated (16i)

The serial spindle amplifier for Series 16i was not activated normally at power-on time. This suggests an issue with the amplifier's internal readiness or its startup sequence.

PS0223

Spindle Not Set for Control

A command for using the spindle was executed for Series 15i before the spindle to be controlled was correctly set up. This indicates an incorrect sequence in machine operation or parameter setup, preventing spindle control.

SP0001

Motor Overheat

The spindle motor has exceeded its safe operating temperature limit, leading to an overheat condition. This can cause damage to the motor windings.

SP0002

Excessive Velocity Error

The spindle motor's actual velocity deviated excessively from the commanded velocity. This can be caused by mechanical load, incorrect tuning, or encoder issues.

SP0003

DC Link Fuse Blown

The DC link fuse on the spindle amplifier is blown, indicating an overcurrent event or a short circuit in the DC bus. This results in complete loss of power to the motor.

SP0004

Converter Main Power Supply Open Phase

An open phase condition is detected in the main power supply to the converter unit of the spindle amplifier. This indicates a loss of one or more phases in the AC input.

SP0006

Temperature Sensor Disconnected

The temperature sensor connected to the spindle amplifier is disconnected. This prevents accurate monitoring of motor temperature, leading to a potential overheat risk.

SP0007

Overspeed

The spindle motor speed has exceeded the programmed or safe operating limit. This can be caused by incorrect speed commands, parameter settings, or a malfunctioning speed sensor.

SP0009

Main Circuit Overload / IPM Overheat

The main circuit of the spindle amplifier is overloaded, or the IPM (Intelligent Power Module) has overheated. This indicates excessive current draw or insufficient cooling for the power module.

SP0010

Low Power Supply Input Voltage

The input voltage to the low-power supply section of the spindle amplifier is below the acceptable threshold. This can cause unstable operation or prevent the amplifier from powering on.

SP0011

Converter: DC Link Overvoltage

The DC link voltage in the converter section of the spindle amplifier has exceeded its safe limit. This typically occurs during deceleration when regenerative energy is not properly dissipated, or due to high input voltage.

SP0012

DC Link Overcurrent / IPM Alarm

An overcurrent condition is detected in the DC link of the converter, or an alarm is issued by the IPM (Intelligent Power Module). This usually indicates a short circuit in the motor, power module failure, or sudden high load.

SP0014

Amplifier ID Not Registered

The identification data for the spindle amplifier is not registered in the system. This prevents the CNC from recognizing and communicating with the amplifier.

SP0015

Speed Range Switching / Spindle Switching Alarm

An error occurred during speed range switching or spindle switching operation. This can be caused by incorrect parameter settings, mechanical issues with the switching unit, or timing problems.

SP0017

Amplifier ID Data Error

An error is detected in the identification data of the spindle amplifier. This prevents proper recognition and communication with the amplifier.

SP0021

Position Sensor Polarity Setting Incorrect

The polarity setting for the position sensor is incorrect. This can lead to incorrect position feedback and unstable spindle control.

SP0022

Spindle Amplifier Current Overload

The spindle amplifier is experiencing an overcurrent condition. This can be caused by excessive load on the motor, a short circuit, or incorrect current limits.

SP0027

Position Coder Disconnected

The position coder (encoder) feedback cable is disconnected or the sensor is faulty. This results in loss of position feedback, making position control impossible.

SP0029

Short-Time Overload

The spindle motor has experienced a short-duration overload condition, exceeding its temporary torque limits. This can occur during heavy cutting or rapid acceleration/deceleration.

SP0030

Overcurrent in Converter Input Circuit

An overcurrent condition is detected in the input circuit of the converter unit. This indicates excessive current draw from the main power supply or a fault in the input stage.

SP0031

Motor Lock Alarm

The spindle motor is detected to be in a locked or stalled condition, preventing rotation. This can be due to excessive mechanical load, a brake issue, or a fault in the motor itself.

SP0032

Serial Communication LSI RAM Error

A RAM error is detected in the Serial Communication LSI. This indicates a problem with the internal memory of the communication interface.

SP0033

Converter: DC Link Precharge Failure

The precharge circuit for the DC link in the converter failed to operate correctly. This can prevent the DC bus from charging to the proper voltage during startup.

SP0034

Parameter Data Out of Specifiable Range

A parameter value is set outside its allowable or specifiable range. This can lead to unpredictable behavior or incorrect control calculations.

SP0201

Duplicate Motor Number Setting (15i)

The same motor number (other than 0) is set more than once in parameter No. 5841 for Series 15i. This creates a conflict in spindle motor identification, which can lead to control issues.

SP0202

Invalid Spindle Number Setting (15i)

A spindle number greater than the total number of physical spindles is set in parameter No. 5850 for Series 15i. This indicates an incorrect count or assignment of spindles.

SP0220

Serial Spindle Amplifier Disconnected (15i)

The cable connected to the serial spindle amplifier for Series 15i is disconnected, or no serial spindle amplifier is connected. This prevents communication and control of the spindle.

SP0221

Spindle/Motor Number Mismatch (15i)

The correspondence between spindle numbers and motor numbers for Series 15i is incorrect. This can lead to the wrong motor being controlled or general system malfunction.

SP0225

CRC Communication Error (CNC-Spindle, 15i)

A CRC (Cyclic Redundancy Check) communication error occurred during data exchange between the CNC and the serial spindle amplifier for Series 15i. This indicates data corruption or signal integrity issues in the communication link.

SP0226

Framing Error (CNC-Spindle, 15i)

A framing error occurred in communication between the CNC and the serial spindle amplifier for Series 15i. This typically indicates a mismatch in communication protocol or timing parameters.

SP0227

Receive Error (CNC-Spindle, 15i)

A receive error occurred in communication between the CNC and the serial spindle amplifier for Series 15i. This indicates an issue with the data reception at the CNC or potentially corrupted incoming data.

SP0228

Communication Error (CNC-Spindle Amplifier, 15i)

A general communication error occurred between the CNC and the serial spindle amplifier for Series 15i. This is a broad indication of communication failure, requiring further investigation into the communication link.

SP0229

Communication Error (Serial Spindle Amplifiers, 15i)

A communication error occurred between serial spindle amplifiers (e.g., between motor numbers 1 and 2, or 3 and 4) for Series 15i. This indicates a problem in the inter-amplifier communication chain.

SP0230

Parameter 5841 Out of Allowable Range (15i)

The value set in parameter No. 5841 (Motor number of each spindle) for Series 15i is outside the allowable range. This can lead to incorrect spindle operation or identification issues.

SP0970

Spindle Control Initialization Not Terminated (15i)

Spindle control initialization for Series 15i was not terminated. This indicates that the spindle system did not complete its startup sequence successfully.

SP0976

No Amplifier Number Set (15i)

No amplifier number could be set for a serial spindle amplifier for Series 15i. This can happen if the amplifier is not detected or there's a configuration issue preventing its assignment.

SP0978

Serial Spindle Amplifier Communication Timeout (15i)

A time-out was detected in communication with a serial spindle amplifier for Series 15i. This indicates a delay or failure in receiving a response from the amplifier within the expected timeframe.

SP0979

Incorrect Serial Spindle Amplifier Communication Sequence (15i)

The communication sequence with a serial spindle amplifier for Series 15i was incorrect. This suggests a protocol mismatch or timing issue in the communication exchange.

SP0980

SIC-LSI Faulty (Spindle Amplifier Side, 15i)

The SIC-LSI (Serial Interface Converter-LSI) on the serial spindle amplifier side for Series 15i is faulty. This indicates a hardware error on the amplifier's communication interface.

SP0981

SIC-LSI Write Error (Spindle Amplifier Side, 15i)

An error occurred when data was written to the SIC-LSI on the serial spindle amplifier side for Series 15i. This indicates a data integrity or hardware writing issue within the amplifier's communication interface.

SP0982

SIC-LSI Read Error (Spindle Amplifier Side, 15i)

An error occurred when data was read from the SIC-LSI on the serial spindle amplifier side for Series 15i. This indicates a data integrity or hardware reading issue within the amplifier's communication interface.

SP0983

Spindle Amplifier Alarm Cannot Be Cleared (15i)

An alarm on the spindle amplifier side for Series 15i could not be cleared. This may indicate a persistent fault or an issue preventing the alarm reset command from being processed.

SP0984

Spindle Amplifier Reinitialization Error (15i)

An error occurred during spindle amplifier reinitialization for Series 15i. This suggests a problem with the amplifier's internal reinitialization process, which may affect its ability to restart correctly.

SP0985

Automatic Parameter Setting Failed (15i)

Automatic parameter setting for the spindle amplifier (Series 15i) failed. This means the system could not correctly configure the spindle parameters automatically.

SP0987

SIC-LSI Faulty (CNC Side, 15i)

The SIC-LSI (Serial Interface Converter-LSI) on the CNC side for Series 15i is faulty. This indicates a hardware error on the CNC's serial communication interface.

SP0996

Incorrect Spindle/Motor Assignment (15i)

The assignment of spindles and spindle motors for Series 15i is incorrect. This can lead to improper control or system conflicts due to mismatched configuration.

SP1220

Serial Spindle Amplifier Disconnected (30i)

The cable connected to the serial spindle amplifier for Series 30i is disconnected, or no serial spindle amplifier is connected. This prevents communication and control of the spindle.

SP1225

CRC Communication Error (CNC-Spindle, 30i)

A CRC (Cyclic Redundancy Check) communication error occurred during data exchange between the CNC and the serial spindle amplifier for Series 30i. This indicates data corruption or signal integrity issues in the communication link.

SP1226

Framing Error (CNC-Spindle, 30i)

A framing error occurred in communication between the CNC and the serial spindle amplifier for Series 30i. This typically indicates a mismatch in communication protocol or timing parameters.

SP1227

Receive Error (CNC-Spindle, 30i)

A receive error occurred in communication between the CNC and the serial spindle amplifier for Series 30i. This indicates an issue with the data reception at the CNC or potentially corrupted incoming data.

SP1228

Communication Error (CNC-Spindle Amplifier, 30i)

A general communication error occurred between the CNC and the serial spindle amplifier for Series 30i. This is a broad indication of communication failure, requiring further investigation into the communication link.

SP1229

Communication Error (Serial Spindle Amplifiers, 30i)

A communication error occurred between serial spindle amplifiers (e.g., between an odd-numbered amplifier and even-numbered amplifier) for Series 30i. This indicates a problem in the inter-amplifier communication chain.

SP1245

Communication Data Error (CNC Side, 30i Range)

A communication data error was detected on the CNC side for Series 30i (codes SP1245 to SP1247). This indicates data corruption during transfer to the CNC.

SP1976

Spindle Control Software Error (30i Range 1)

An error occurred with the spindle control software for Series 30i (codes SP1976 to SP1979). This indicates an internal software issue requiring system diagnosis.

SP1980

SIC-LSI Faulty (Spindle Amplifier Side, 30i Range)

The SIC-LSI (Serial Interface Converter-LSI) on the serial spindle amplifier side for Series 30i (codes SP1980 to SP1984) is faulty. This indicates a hardware error on the amplifier's communication interface.

SP1985

SIC-LSI Faulty (CNC Side, 30i Range)

The SIC-LSI (Serial Interface Converter-LSI) on the CNC side for Series 30i (codes SP1985 to SP1987) is faulty. This indicates a hardware error on the CNC's serial communication interface.

SP1988

Spindle Control Software Error (30i Range 2)

An error occurred with the spindle control software for Series 30i (codes SP1988 to SP1989). This indicates an internal software issue requiring system diagnosis.

SP1996

Incorrect Spindle Motor Assignment (30i)

Spindle motor assignment for Series 30i is incorrect. This can lead to improper control or system conflicts due to mismatched configuration.

SP9016

RAM Error (16i, 30i)

A RAM error is detected in the spindle amplifier for Series 16i or 30i. This indicates a problem with the amplifier's internal memory.

Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters Fault Codes — Complete Error List | ErrorLib