Alarm Handling

A.220.0

Forward overtravel Alarm

A.221.0

Negative overtravel Alarm

1. For DI Function 10, negative limit input is valid and reverse drive is disabled.

1. Check the operation mode, under the premise of safety, give the motor forward instruction or rotate the motor forward, so as to make negative limit Ineffective.

A.222.0

Alarm of input phase loss

1. Phase loss of 3-phase power input.

1. Check the wiring of 3-phase power supply.

2. 3-phase drive and allow single-phase operation (below 1kW), switch off the alarm (set P0800=2).

A.224.0

Brake resistor overload

1. Wiring of external brake resistor is improperly.

2. While using built-in brake resistor, power terminals P/D are disconnected.

3. Erros of such parameters as brake resistor type, resistance and power.

4. Input voltage of main loop exceeds the specification.

5. Load moment of inertia ratio is excessive.

6. Motor has been in the deceleration for a long period.

7. Capacity of servo drive or brake resistor capacity is insufficient.

1. Check if wiring of external brake resistor is proper.

2. While using the built-in brake resistor, connect P/D terminals properly.

3. Set the parameters of brake resistor propertly.

4. Per the specification, select the appropriate brake resistance.

5. Use the appropriate power input per the specification.

6. Reduce the load, or increase acceleration/deceleration time, or increase the operation cycle.

A.225.0

Software detects that the brake resistor is disconnected

1. Brake discharge resistor is disconnected, or P/RB terminals are not short-circuited;

1. Check the connection of brake resistor.

A.226.0

External brake resistance is too small

1. While using external brake resistor, external brake resistance is less than Min.value by the specification.

1. Per the specification, select the appropriate brake resistor, and connect it properly between P/C.

2. Set the parameters of external brake resistor properly.

A.425.0

Alarm of the origin zero timeout

1. Error of the home switch.

2. Search time for the origin is too short.

3. Switch signal speed of high-speed search for the origin is too small.

4. Switch setting is unreasonable.

1. If hardware DI is used, ensure that DI Function 11 is configured in P03h group, and then check if wiring of DI terminal is normal; Error in the origin return operation was found, and operate this function correctly. If virtual DI is used, check if VDI handling process is proper.

2. Increase the origin search time P1349.

3. Increase return-to-zero high-speed 6099-01h.

4. Set hardware switch position reasonably.

A.426.0

Alarm of power ON/OFF reset

1. After the parameters are changed, only when power ON/OFF again, can parameters be valide.

1. Power it ON/OFF again.

A.427.0

Alarm of parameter storage exception

1. Write data into EEPROM very frequently and abundantly.

1. Reduce unnecessary parameters written into EEPROM.

2. Set 2005-0Bh of 0 and do not store parameters into EEPROM.

A.428.0

Error of frequency division output setting

1. While using output function (P1315=0) of encoder frequency division, pulse number (P1316) setting of encoder frequency division doesn't meet the range requirement.

1. Reset the pulse number (P1316) of encoder frequency division so as to satisfy the specified range.

A.713.2

Sampling error Alarm

1. Contact the factory for technical support.

1. Parameter identification can be performed repeatedly.

2. Contact technical support of the manufacturer.

A.713.3

Check the error Alarm of positive edge

1. Contact the factory for technical support.

1. Parameter identification can be performed repeatedly.

2. Contact technical support of the manufacturer.

A.713.4

Check overshoot error Alarm

1. Contact the factory for technical support.

1. Parameter identification can be performed repeatedly.

2. Contact technical support of the manufacturer.

A.713.5

Alarm of Q-axis current steady state error test

1. Contact the factory for technical support.

1. Parameter identification can be performed repeatedly.

2. Contact technical support of the manufacturer.

A.713.6

Alarm of D-axis current steady state error test

1. Contact the factory for technical support.

1. Parameter identification can be performed repeatedly.

2. Contact technical support of the manufacturer.

A.920.0

Encoder internal algorithm error

1. The encoder zero search algorithm fails.

2. Error of frequency division counting algorithm of encoder.

1. Power on/off the servo drive again.

2. Replace the servo motor.

A.921.0

Encoder battery voltage is too low

1. Battery voltage of absolute encoder is lower than 3.0V.

1. Replace it with the new matching battery.

A.D35.0

Error of 6098h parameter settings in Homing method

1. In return-to-zero mode, input non-existent return-to-zero modes such as 15/16/31/32 in EtherCAT 6098h (or P0B.30 of PN)

1. EtherCAT model is properly set to 6098h (PN model is properly set to P0B.30).

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Servo not ready

1. Control loop voltage is too low;

2. Bus voltage of power loop is too low;

3. Exception of encoder feedback;

1. Confirm that AC power supply of the drive is normal per the specification.

2. Remove the motor structure being reversed, or replace the motor encoder.