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Fault code inquiry

我们将反馈给您对应的故障名称及解决方案，谢谢您的支持！

故障编号
 故障名称 故障原因 故障解决措施
故障编号：

 故障名称：

normal

 故障原因：

 故障解决措施：
故障编号：

1

 故障名称：

exceed the speed limit

 故障原因：

Servo motor speed exceeds the set value

故障解决措施：
故障编号：

2

 故障名称：

Overvoltage of main circuit

故障原因：

Main circuit power supply voltage is too high

故障解决措施：
故障编号：

3

故障名称：

Main circuit undervoltage

 故障原因：

Main circuit power supply voltage is too low

故障解决措施：
故障编号：

4

 故障名称：

Position out of tolerance

 故障原因：

The value of the position deviation counter exceeds the set value

故障解决措施：
故障编号：

5

故障名称：

Drive overheating

 故障原因：

Drive temperature is too high

故障解决措施：
故障编号：

6

故障名称：

Speed amplifier saturation fault

 故障原因：

Long-term saturation of speed regulation

故障解决措施：
故障编号：

7

故障名称：

Drive prohibition exception

 故障原因：

CCW/CW drive disable inputs are all OFF

故障解决措施：
故障编号：

8

 故障名称：

Position deviation counter overflow

 故障原因：

The absolute value of the position deviation count value exceeds 2³°

故障解决措施：
故障编号：

10

 故障名称：

Power line disconnection

 故障原因：

The power line is disconnected in the enabled state

故障解决措施：
故障编号：

11

 故障名称：

IPM module failure

 故障原因：

IPM intelligent module failure

故障解决措施：
故障编号：

13

故障名称：

Drive overload

 故障原因：

Servo drive and motor overload (instantaneous overheating)

故障解决措施：
故障编号：

14

故障名称：

Brake failure

故障原因：

Brake circuit fault

故障解决措施：
故障编号：

18

故障名称：

Relay switch failure

故障原因：

The actual state of relay is inconsistent with the control state

故障解决措施：
故障编号：

19

 故障名称：

Brake-holding delay error

故障原因：

Pulse input when the brake is not opened

故障解决措施：
故障编号：

20

 故障名称：

EEPROM error

 故障原因：

EEPROM error

故障解决措施：
故障编号：

21

故障名称：

FPGA module failure

 故障原因：

Abnormal function of FPGA module

故障解决措施：
故障编号：

23

故障名称：

Current acquisition circuit fault

 故障原因：

Current acquisition circuit fault

故障解决措施：
故障编号：

29

 故障名称：

User torque overload alarm

故障原因：

Motor load exceeds the value and duration set by the user

故障解决措施：
故障编号：

38

故障名称：

Reading and writing encoder EEPROM communication failed

 故障原因：

The encoder wire is not connected properly or the encoder interface circuit is faulty

故障解决措施：
故障编号：

39

故障名称：

Data CRC check error

 故障原因：

The motor encoder has not written data, all of which are 0

故障解决措施：
故障编号：

40

故障名称：

Unsupported model

 故障原因：

The driver does not support this motor model

故障解决措施：
故障编号：

41

故障名称：

Need to switch motor models

 故障原因：

The current motor is inconsistent with the selected model of the drive

故障解决措施：
故障编号：

42

故障名称：

AC input voltage is too low

 故障原因：

AC input voltage is too low

 故障解决措施：
故障编号：

46

故障名称：

The main circuit is powered on and under-voltage

 故障原因：

The power supply voltage of the main circuit is too low at power-on

故障解决措施：
故障编号：

47

 故障名称：

The main circuit voltage is too high when it is powered on

 故障原因：

The main circuit voltage is too high when it is powered on

故障解决措施：
故障编号：

50

故障名称：

Encoder communication failure

 故障原因：

The communication connection between the driver and the encoder is not established

故障解决措施：
故障编号：

51

故障名称：

Encoder communication abnormality

 故障原因：

After the encoder establishes communication, it is interrupted and disconnected

故障解决措施：
故障编号：

52

 故障名称：

Encoder battery voltage insufficient alarm

 故障原因：

The encoder battery voltage is insufficient to alarm, and the information is lost, but it needs to be replaced as soon as possible

故障解决措施：
故障编号：

53

 故障名称：

Encoder battery voltage error alarm

 故障原因：

Encoder battery voltage error alarm, stored information has been wrong, need to reset the encoder

故障解决措施：
故障编号：

57

 故障名称：

MODBUS communication format is abnormal

 故障原因：

Improper setting of communication parameters or incorrect address or value

故障解决措施：
故障编号：

58

 故障名称：

Single lap position value is wrong

 故障原因：

The driver has stored a single lap position offset value that exceeds the encoder resolution

故障解决措施：
故障编号：

59

 故障名称：

Encoder reports CF error

故障原因：

The encoder continuously reports CF domain errors, and needs to reset the encoder.

故障解决措施：
故障编号：

E--

 故障名称：

No alarm

故障原因：

It works normally

故障解决措施：
故障编号：

E1

故障名称：

exceed the speed limit

 故障原因：

Motor speed exceeds the maximum limit

故障解决措施：

can
故障编号：

E2

 故障名称：

Overvoltage of power main circuit

 故障原因：

The power supply voltage of the main circuit exceeds the specified value. Check whether the braking resistor is damaged or whether the resistance value is appropriate

故障解决措施：

no
故障编号：

E3

故障名称：

Power main circuit undervoltage

 故障原因：

The main circuit power supply voltage is lower than the specified value

故障解决措施：

no
故障编号：

E4

故障名称：

Position out of tolerance

 故障原因：

Position tracking deviation exceeds the set value

 故障解决措施：

can

故障编号：

E5

故障名称：

Position command overclocking

 故障原因：

The frequency of position instruction exceeds the maximum allowable frequency

 故障解决措施：

can

故障编号：

E6

故障名称：

Motor stall

故障原因：

Motor power line connection error, pole pair P-201 error

 故障解决措施：

can

故障编号：

E7

故障名称：

Drive prohibition exception

 故障原因：

Abnormal signal of travel limit switch of CCWL and CWL drivers

故障解决措施：

can

故障编号：

E9

 故障名称：

ABZ signal fault of incremental encoder

 故障原因：

There is interference or disconnection in the encoder ABZ signal

故障解决措施：

can

故障编号：

E10

故障名称：

Uww signal fault of incremental encoder

 故障原因：

There is interference or disconnection in encoder UVW signal

故障解决措施：

can
故障编号：

E11

故障名称：

IPM module failure

 故障原因：

The IPM inverter module of the power main circuit has failed

故障解决措施：

no
故障编号：

F12

故障名称：

overcurrent

 故障原因：

The instantaneous current of servo driver is too large

故障解决措施：

can
故障编号：

E13

故障名称：

Overload

 故障原因：

The average load current of motor is too large

故障解决措施：

can
故障编号：

E14

 故障名称：

Brake peak power overload

 故障原因：

When braking for a short time, the instantaneous load is too large. Check whether the braking resistor is damaged or whether the resistance value is appropriate

故障解决措施：

can
故障编号：

E20

 故障名称：

EEPROM error

 故障原因：

Error in reading and writing EEPROM or unexpected power failure when saving parameters

故障解决措施：

no
故障编号：

F21

 故障名称：

Logic circuit error

 故障原因：

Processor peripheral logic circuit fault

故障解决措施：

no
故障编号：

E23

故障名称：

AD conversion reference voltage error

 故障原因：

The voltage reference of AD sampling circuit is not a standard value

故障解决措施：

no
故障编号：

F24

故障名称：

AD conversion channel asymmetry or large zero drift

 故障原因：

AD sampling amplifier conditioning circuit abnormal

故障解决措施：

no
故障编号：

E29

故障名称：

User torque overload alarm

 故障原因：

Motor load exceeds the value and duration set by the user

故障解决措施：

can

故障编号：

E30

故障名称：

Encoder z signal loss

 故障原因：

Encoder z signal does not appea

故障解决措施：

no
故障编号：

E31

故障名称：

Abnormal detection of encoder z signal

 故障原因：

There is interference or unstable signal in encoder Z signal

故障解决措施：

no
故障编号：

E32

故障名称：

Abnormal detection of encoder z signal

 故障原因：

Encoder UVW signal disconnection

故障解决措施：

no
故障编号：

E33

 故障名称：

Line-saving encoder signal error

 故障原因：

There is no high impedance state in the power-on sequence

故障解决措施：

no
故障编号：

E1 (speeding)

故障名称：

Motor wiring U, V, W phase sequence error

 故障原因：

Check U, V and W wiring

故障解决措施：

Correctly connect the U, V and W wiring, corresponding to the U, V and W labels of the drive plug

故障编号：

E1 (speeding)

故障名称：

Motor speed is over-adjusted

故障原因：

Check the operation status to see if the maximum speed limit value of parameter Pr075 is appropriate

故障解决措施：

Adjust the servo gain to reduce the over-adjustment; when the speed is controlled, the acceleration and deceleration time can be increased
故障编号：

E1 (speeding)

故障名称：

Incorrect wiring of the encoder

 故障原因：

Check the encoder wiring

故障解决措施：

Correct wiring

故障编号：

E2 (main circuit overvoltage)

故障名称：

The input AC power supply is too high

故障原因：

Check the power supply voltage

故障解决措施：

Make the voltage conform to the product specifications

故障编号：

E2 (main circuit overvoltage)

 故障名称：

Regeneration brake failure

故障原因：

Recycled brake resistance, whether the brake pipe is invalid or the wiring is disconnected

故障解决措施：

Maintain

故障编号：

E2 (main circuit overvoltage)

故障名称：

Excessive regenerative braking energy

故障原因：

Check the brake load rate

故障解决措施：

Reduce the start-stop frequency, increase the acceleration and deceleration time, reduce the torque limit, reduce the load inertia, replace the larger power driver and the motor replace the larger braking resistance

故障编号：

E3 (main circuit undervoltage)

故障名称：

Input AC power is too low

 故障原因：

Check the power supply voltage

故障解决措施：

Make the voltage conform to product specifications

故障编号：

E4 (Poor Position)

故障名称：

Motor wiring U, V and W phase sequence errors

故障原因：

Check U, V and W wiring

故障解决措施：

Correctly connect the motor U, V and W wiring, corresponding to the U, V and w labels of the driver plug one by one

故障编号：

E4 (Poor Position)

故障名称：

Zero change of encoder

 故障原因：

Check the encoder zero point

故障解决措施：

Reinstall the encoder and adjust the zero

故障编号：

E4 (Poor Position)

故障名称：

Encoder wiring error

故障原因：

Check encoder wiring

故障解决措施：

Correct wiring

故障编号：

E4 (Poor Position)

故障名称：

The motor is stuck

故障原因：

Check the motor and mechanical connection parts

故障解决措施：

Maintain

故障编号：

E4 (Poor Position)

故障名称：

The command pulse frequency is too high

故障原因：

Check input frequency and pulse dividing frequency parameters

故障解决措施：

Reduce the input frequency and adjust the pulse frequency doubling parameters

故障编号：

E4 (Poor Position)

故障名称：

Location ring gain is too small

故障原因：

Check parameters PO09, PO13

故障解决措施：

Increase the position ring gain

故障编号：

E4 (Poor Position)

故障名称：

The detection range is too small

故障原因：

Check the parameter PO80

故障解决措施：

Increase the parameter PO80 value

故障编号：

E4 (Poor Position)

故障名称：

Insufficient torque

故障原因：

Check the torque

故障解决措施：

Increase the torque limit value, increase the position instruction, smooth the filtering time, reduce the load, replace the larger power driver and motor

故障编号：

E5 (position command overclocking)

 故障名称：

Command pulse frequency is too high

 故障原因：

Check whether the input frequency and electronic gear ratio are set correctly

 故障解决措施：

Reduce the input frequency and set PO29 and PO30 correctly
故障编号：

E5 (position command overclocking)

 故障名称：

The interval between motor enable and command pulse is too short

 故障原因：

The upper computer gives a delay of at least 500ms between enabling and sending pulses (waiting for the motor to be fully excited)

 故障解决措施：

Modify the upper computer timing
故障编号：

E5 (position command overclocking)

 故障名称：

The instruction of the upper computer is not accelerated or decelerated, or the acceleration and deceleration time is too short

 故障原因：

Is it reasonable to set the acceleration and deceleration time of the position command sent by the upper computer

故障解决措施：

Increase the acceleration and deceleration time of the command sent by the upper computer and appropriately adjust the smoothing filter coefficient PO40 of the position command
故障编号：

E6 (motor blocking)

故障名称：

The motor is stuck

 故障原因：

Check the motor and mechanical connection parts

故障解决措施：

Overhaul

故障编号：

E6 (motor blocking)

故障名称：

Motor wiring U, V, W phase sequence error

 故障原因：

Check U, V and W wiring

故障解决措施：

Correctly connect the motor U, V and W wiring, corresponding to the U, V and w labels of the driver plug one by one
故障编号：

E6 (motor blocking)

故障名称：

Incorrect wiring of the encoder

 故障原因：

Check encoder wiring

故障解决措施：

Correct wiring

故障编号：

E6 (motor blocking)

故障名称：

Excessive motor load

故障原因：

Check whether the load current D7-i is too large

故障解决措施：

Reduce the load and increase the torque limit PO65 and PO65 replace more powerful drives

故障编号：

E7 (driver prohibits exceptions)

 故障名称：

When the servo is enabled, the input of CCWL and CWL drivers is invalid

故障原因：

Check CCWL, CWL wiring

故障解决措施：

Correct input of CCWL and CWL signals. If you do not use CCWL and CWL signals, you can set the parameter P097 shielding
故障编号：

E9 (Encoder AB signal failure)

故障名称：

Wrong wiring of the encoder

故障原因：

Check encoder wiring

故障解决措施：

Correct wiring

故障编号：

E9 (Encoder AB signal failure)

故障名称：

Poor encoder cable and connector

故障原因：

Check cables and connectors

故障解决措施：

Replace cables and connectors

故障编号：

E9 (Encoder AB signal failure)

故障名称：

Encoder damage

故障原因：

Check the encoder

 故障解决措施：

Replace the encoder

故障编号：

E11 (power module failure)

 故障名称：

Short circuit between motor wiring U, V and W

 故障原因：

Check U, V and W wiring

故障解决措施：

Correctly connect U, V and W wiring

故障编号：

E11 (power module failure)

故障名称：

Motor winding insulation damage

 故障原因：

Check the motor

故障解决措施：

Replace the motor

故障编号：

E11 (power module failure)

 故障名称：

Drive damage

 故障原因：

Check the drive

故障解决措施：

There is nothing wrong with the motor. Power it up again or call the police. The driver may be damaged. Replace the drive
故障编号：

E11 (power module failure)

故障名称：

Poor grounding

故障原因：

Check the grounding line

故障解决措施：

Correctly grounded

故障编号：

E11 (power module failure)

 故障名称：

Check the source of interference

 故障原因：

Check the source of interference

故障解决措施：

Add line filters to stay away from interference sources

故障编号：

E12 (overcurrent)

故障名称：

Short circuit between motor wiring U, V and W

 故障原因：

Check U, V and W wiring

故障解决措施：

Correctly connect U, V and W wiring

故障编号：

E12 (overcurrent)

故障名称：

Motor winding insulation damage

 故障原因：

Check the motor

故障解决措施：

Replace the motor

故障编号：

E12 (overcurrent)

 故障名称：

Drive damage

 故障原因：

Check the drive

 故障解决措施：

There is nothing wrong with the motor. Turn it on again or report it. It may be that the drive is damaged. Replace the drive
故障编号：

E13 (excess load)

故障名称：

Continuous operation exceeding the rated load

 故障原因：

Check the load rate

故障解决措施：

Reduce the load or replace the more powerful driver

故障编号：

E13 (excess load)

 故障名称：

The system is unstable

 故障原因：

Check whether the motor is oscillating

故障解决措施：

Reduce system gain

故障编号：

E13 (excess load)

故障名称：

The acceleration and deceleration is too fast

 故障原因：

Check whether the motor is running smoothly

故障解决措施：

Increase the acceleration and deceleration time

故障编号：

E13 (excess load)

 故障名称：

Zero-point change of encoder

 故障原因：

Check the zero point of the encoder

故障解决措施：

Reinstall the encoder and adjust the zero
故障编号：

E14 (bke peak power overload)

故障名称：

The input AC power supply is high

 故障原因：

Check the power supply voltage

故障解决措施：

Make the voltage conform to the product specifications

故障编号：

E14 (bke peak power overload)

故障名称：

Regeneration brake failure

 故障原因：

Recycled brake resistance, whether the brake pipe is invalid or the wiring is disconnected

故障解决措施：

Maintain

故障编号：

E14 (bke peak power overload)

故障名称：

Excessive regenerative braking energy

 故障原因：

Check the brake load rate

故障解决措施：

Reduce the start-stop frequency, increase the acceleration and deceleration time, replace the larger power driver and replace the motor with the larger brake resistance
故障编号：

E14 (bke peak power overload)

故障名称：

Encoder problem

故障原因：

The number of lines and poles are not damaged by the encoder B signal error encoder

故障解决措施：

Replace the encoder

故障编号：

E20 (EEPROM error)

故障名称：

EEPROM chip damage

 故障原因：

Re-power check

故障解决措施：

The fault does not disappear, please replace the drive
故障编号：

E21 (Logic Circuit Error)

故障名称：

Control circuit failure

 故障原因：

Re-power check

故障解决措施：

The fault does not disappear, please replace the drive
故障编号：

E23 (AD conversion reference voltage error)

 故障名称：

Problems with AD converters and analog amplifier circuits

 故障原因：

Check the control circuit

故障解决措施：

Replace the drive

故障编号：

E24 (AD conversion channel asymmetric or zero drift value is too large)

 故障名称：

Problems with AD converters and analog amplifier circuits

 故障原因：

Check the control circuit

故障解决措施：

Replace the drive

故障编号：

E29 (User Torque Overload Alarm)

 故障名称：

Unexpected large load

 故障原因：

Check the load

故障解决措施：

Adjust the load

故障编号：

E29 (User Torque Overload Alarm)

故障名称：

The setting of parameters Pr070, Pr071 and Pr072 is unreasonable

 故障原因：

Check the parameters

故障解决措施：

Adjust parameters

故障编号：

E30 (code z signal is lost)

故障名称：

Encoder problem

 故障原因：

Check the encoder z signal

故障解决措施：

Replace the encoder

故障编号：

E30 (encoder z signal lost)

 故障名称：

Problems with encoder cables and connectors

故障原因：

Check cables and connectors

故障解决措施：

Replace cables and connectors

故障编号：

E30 (encoder z signal lost)

 故障名称：

Driver connection circuit failure

 故障原因：

Check the control circuit

故障解决措施：

Replace the drive

故障编号：

31 (Encoder z signal detection abnormality)

 故障名称：

Encoder problem

 故障原因：

Check the encoder z signal

故障解决措施：

Replace the encoder

故障编号：

31 (Encoder z signal detection abnormality)

 故障名称：

There is interference in the encoder cable

故障原因：

Check cables and connectors

故障解决措施：

Replace cables and connectors

故障编号：

31 (Encoder z signal detection abnormality)

 故障名称：

Driver interface circuit failure

 故障原因：

Check the control circuit

故障解决措施：

Replace the drive

故障编号：

E32 (illegal encoding of encoder LUvw signal)

 故障名称：

Encoder problem

 故障原因：

Check the encoder UVW signal

故障解决措施：

Change the coded arrogant signal

故障编号：

E32 (illegal encoding of encoder LUvw signal)

故障名称：

Encoder wiring error, disconnection

 故障原因：

Check the encoder wiring

故障解决措施：

Correct wiring, including shielded wires

故障编号：

E33 (wire-saving encoder signal error)

故障名称：

Encoder problem

故障原因：

Check the encoder signal

故障解决措施：

Replace the encoder

故障编号：

E33 (wire-saving encoder signal error)

故障名称：

Motor model/encoder type is not set correctly

故障原因：

Check the motor model and confirm whether the motor is equipped with a line-saving encoder

故障解决措施：

Reset motor model/encoder type