Delta ASDA-A Servo Drive Fault Codes
Below list show Delta ASDA-A Servo drive fault codes:
| Fault Code and Meaning | Other |
|---|---|
| ALE01: Overcurrent | Potential Cause – Short-circuit at drive output (U, V, W) – Motor wiring error – IGBT error – Control parameter setting error – Control command setting error Checking Method – Check the wiring connections between drive and motor. 2. Check if the wire is short-circuited. – Check if the wiring steps are all correct when connecting motor to drive. – Heat sink overheated – Check if the setting value exceeds the factory default setting. – Check if the control input command is unstable (too much fluctuation). Corrective Actions – Repair the short-circuited and avoid metal conductor being exposed. – Follow the wiring steps in the user manual to reconnect wiring. – Please contact your distributor for assistance or contact with Delta. – Set the setting back to factory default setting and then reset and adjust the parameter setting again. – Ensure that input command frequency is stable (too much fluctuation). 2. Activate filter function. |
| ALE02: Overvoltage | Potential Cause – The main circuit voltage has exceeded its maximum allowable value. – Input power error (Incorrect power input) Checking Method – Use voltmeter to check whether the input voltage falls within the rated input voltage. (For voltage specification, please refer to section 11.1 in Chapter11.) – Use voltmeter to check whether the input voltage is within the specified limit. Corrective Actions – Use correct power supply or stabilizing power. – Use correct power supply or stabilizing power. |
| ALE03: Undervoltage | Potential Cause – The main circuit voltage is below its minimum specified value. – No input voltage at main circuit. – Input power error (Incorrect power input) Checking Method – Check whether the wiring of main circuit input voltage is normal. – Use voltmeter to check whether input voltage at main circuit is normal. – Use voltmeter to check whether the input voltage is within the specified limit. Corrective Actions – Reconfirm voltage wiring. – Reconfirm power switch. – Use correct power supply or serial stabilizing power. |
| ALE04: Reserved | Corrective Actions – (Note: This applies to the standard ASDA-A series. This code has a different meaning for the ASDA-A+ series, listed separately below.) |
| ALE05: Regeneration error | Potential Cause – Regenerative resistor is not connected. – Regenerative switch transistor fault – Parameter setting is in error Checking Method – Check the wiring connection of regenerative resistor. – Check if regenerative switch transistor is short-circuited. – Confirm the parameter setting and specifications of regenerative resistor. Corrective Actions – Reconnect regenerative resistor. – Please contact your distributor for assistance or contact with Delta. – Correctly reset parameter again. |
| ALE06: Overload | Potential Cause – The drive has exceeded its rated load during continuous operation. – Control system parameter setting is incorrect. – The wiring of drive and encoder is in error. Checking Method – Check if the drive is overloaded. – Check if there is mechanical vibration. – Accel/Decel time setting is too fast. – Check the wiring of U, V, W and encoder. Corrective Actions – Increase motor capacity or reduce load. – Adjust gain value of control circuit. – Decrease Accel/Decel time setting. – Ensure all wiring is correct. |
| ALE07: Overspeed | Potential Cause – Speed input command is not stable (too much fluctuation). – Over-speed parameter setting is defective. Checking Method – Use signal detector to detect if input signal is abnormal. – Check if over-speed parameter setting value is too low. Corrective Actions – Ensure that input command frequency is stable (not fluctuate too much) and activate filter function (P1-06, P1-07 and P1-08). – Correctly set over-speed parameter setting (P2-34). |
| ALE08: Abnormal pulse control command | Potential Cause – Pulse command frequency is higher than rated input frequency. Checking Method – Use pulse frequency detector to measure input frequency. Corrective Actions – Correctly set the input pulse frequency. |
| ALE09: Excessive deviation | Potential Cause – Maximum deviation parameter setting is too small. – Gain value is too small. – Torque limit is too low. – There is an overload. Checking Method – Check the maximum deviation parameter setting and observe the position error value when the motor is running. – Check for proper gain value. – Check torque limit value. – Check for overload condition. Corrective Actions – Increases the parameter setting value of P2-35. – Correctly adjust gain value. – Correctly adjust torque limit value. – Reduce external applied load or re-estimate the motor capacity. |
| ALE10: Watch dog execution time out | Potential Cause – Watch dog execution error. Checking Method – Check and reset the power supply. Corrective Actions – If there are any abnormal conditions after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE11: Encoder error (Position detector fault) | Potential Cause – The wiring of encoder is in error. – Encoder is loose – The wiring of encoder is defective. – Encoder is damage – The circuit (loop) of Encoder is in error. Checking Method – Check if all wiring is correct. 2. Check if the users conduct the wiring by the wiring information in the user manual. – Examine the encoder connector. – Check if all connections are tight. – Check the motor for the damage. – Check the drive for the damage. Corrective Actions – Ensure all wiring is correct. – Install the motor again. – Conduct the wiring again. – Repair or replace the motor. – Repair or replace the drive. |
| ALE12: Adjustment error | Potential Cause – The setting value of drift adjustment has exceeded its maximum allowable value. Checking Method – Remove CN1 wiring. 2. Execute the drift adjustment again. (Set P2-08 to 20 first, and then set P4-10 to 5.) Corrective Actions – If the error does not clear after executing the drift adjustment again, please contact your distributor for assistance or contact with Delta. |
| ALE13: Emergency stop activated | Potential Cause – Emergency stop switch is activated. Checking Method – Check if emergency stop switch is On or Off. Corrective Actions – Activate emergency stop switch. |
| ALE14: Reverse (CWL) limit switch error | Potential Cause – Reverse limit switch is activated. – Servo system is not stable. Checking Method – Check if reverse limit switch is On or Off. – Check the value of control parameter setting and load inertia. Corrective Actions – Activate reverse limit switch. – Modify parameter setting and re-estimate motor capacity. |
| ALE15: Forward (CCWL) limit switch error | Potential Cause – Forward limit switch is activated. – Servo system is not stable. Checking Method – Check if forward limit switch is On or Off. – Check the value of control parameter setting and load inertia. Corrective Actions – Activate forward limit switch. – Modify parameter setting and re-estimate motor capacity. |
| ALE16: IGBT temperature error | Potential Cause – The drive has exceeded its rated load during continuous operation. – Short-circuit at drive output. Checking Method – Check if there is overload or the motor current is too high. – Check the drive input wiring. Corrective Actions – Increase motor capacity or reduce load. – Ensure all wiring is correct. |
| ALE17: Memory error | Potential Cause – Data error in Memory read-out/write-in. Checking Method – Reset parameter or power supply. Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE18: DSP communication error | Potential Cause – Control power is in error. Checking Method – Check and reset control power Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE19: Serial communication error | Potential Cause – Communication parameter setting is defective. – Communication address is incorrect. – Communication value is incorrect. – Setting value in time out parameter is not correct. – Not receiving communication command for a long time. Checking Method – Check the communication parameter setting. – Check the communication address. – Check the communication value. – Check communication time out parameter setting. – Check whether communication cable is loose or broken. Corrective Actions – Correctly set parameter setting. – Correctly set communication address. – Correctly set communication value. – Correctly set P3-07. – Tighten the communication cable, make sure the communication cable is not damaged and ensure all wiring is correct. |
| ALE20: Serial communication time out | Potential Cause – Communication parameter setting is defective. – Communication address is incorrect. – Communication value is incorrect. – Setting value in time out parameter is not correct. – Not receiving communication command for a long time. Checking Method – Check the communication parameter setting. – Check the communication address. – Check the communication value. – Check communication time out parameter setting. – Check whether communication cable is loose or broken. Corrective Actions – Correctly set parameter setting. – Correctly set communication address. – Correctly set communication value. – Correctly set P3-07. – Tighten the communication cable, make sure the communication cable is not damaged and ensure all wiring is correct. |
| ALE21: Command write-in error | Potential Cause – Control power is in error. Checking Method – Check and reset control power Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE22: Input power phase loss | Potential Cause – Control power supply is in error. Checking Method – Check the power cable and connections of R, S. T. Check whether the power cable is loose or the possible loss of phase on input power. Corrective Actions – If the fault does not clear even when the three-phase power is connected correctly, please contact your distributor for assistance or contact with Delta. |
| ALE23: Pre-overload warning | Potential Cause – The drive is going to overload. Checking Method – Check the load condition of the servo motor and drive. – Check the setting value of P1-56. Check whether the setting value of P1-56 is to small. Corrective Actions – Please refer to the correction actions of ALE06. – Increase the setting value of P1-56 or set P1-56 to 100 and above. |
| ALES7: Internal command execution time out | Potential Cause – An error occurs when internal command is executing. Checking Method – Check and reset control power Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE98: DSP communication error | Potential Cause – Maybe the hardware is damaged. Checking Method – Check and reset control power Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE99: DSP communication error | Potential Cause – Maybe the hardware is damaged. Checking Method – Check and reset control power Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE04: “Mismatch” error (ASDA-A+ Series Only) | Potential Cause – The type of the servo motor is incorrect. Checking Method – Check if the servo drive and servo motor are not correctly matched for size (power rating). Corrective Actions – Repair or replace the servo drive or the servo motor. |
| ALE24: Encoder error (Position detector fault) (ASDA-A+ Series Only) | Potential Cause – Maybe the Encoder is damaged. Checking Method – N/A (See corrective action) Corrective Actions – If the error does not clear after resetting the power supply, please contact your distributor for assistance or contact with Delta. |
| ALE25: Encoder error (Position detector fault) (ASDA-A+ Series Only) | Potential Cause – The servo drive automatically detect the servo motor is in error. Checking Method – Check if the servo motor is properly grounded. – Check if the encoder signal cables are placed in separate conduits from the cables connected to R, S, T and U, V, W terminals to prevent the interference. – Check if the shielded cables are used when performing Encoder wiring. Corrective Actions – Please connect the grounding (green color) of U, V, W terminal to the heatsink of the servo drive. – Ensure that the encoder signal cables are placed in separate conduits from the cables connected to R, S, T and U, V, W terminals to prevent the interference. – Please use shielded cables for Encoder wiring. |