What causes a motor to run rough with Danfoss VLT CANopen MCA 105?
If the motor runs rough with Danfoss DC Drives, check the motor settings in parameter groups 1-2* Motor Data, 1-3* Adv Motor Data, and 1-5* Load Indep. Setting to avoid over-magnetisation.
Why won't the motor brake with Danfoss VLT CANopen MCA 105 DC Drives?
If the motor will not brake using Danfoss DC Drives, check parameter group 2-0* DC Brake and 3-0* Reference Limits for possible incorrect settings in the brake parameters or ramp down times that are too short.
What to do if option configuration has changed in Danfoss VLT CANopen MCA 105?
If the option configuration has changed in Danfoss DC Drives, it means one or more options have either been added or removed since the last power-down. Check that the configuration change is intentional and reset the unit.
What does 'Motor mod. changed' mean on Danfoss VLT CANopen MCA 105 DC Drives?
If your Danfoss DC Drives display 'Motor mod. changed', it means the motor selected in parameter 1-11 Motor Model is not correct. Check the motor model.
How to troubleshoot tracking error on Danfoss VLT CANopen MCA 105 DC Drives?
If you're experiencing a tracking error with your Danfoss DC Drives, it means the difference between the set point value and the actual value has exceeded the limit. Investigate the mechanics around the load and motor.
What does '1.8 V supply low' mean on Danfoss VLT CANopen MCA 105?
If the 1.8 V DC supply is low on your Danfoss DC Drives, it indicates that the 1.8 V DC supply used on the control card is outside of allowable limits. Check for a defective control card.
What causes line power current imbalance greater than 3% in Danfoss DC Drives?
If you notice a line power current imbalance greater than 3% in your Danfoss DC Drives, it could be a problem with the line power supply itself. Check the line power supply. If the imbalance remains on the same input terminal, there may be a problem with the unit, and you should contact the supplier.
What to do if Danfoss DC Drives motor is not reaching maximum speed?
If the motor is not reaching its maximum speed with your Danfoss DC Drives, check if the frequency limits are set correctly and adjust them as needed. Also, verify that the reference input signal is scaled correctly and adjust the settings accordingly.
Why Danfoss VLT CANopen MCA 105 motor will not brake?
If the motor will not brake in your Danfoss DC Drives, review the brake parameters and ensure they are correctly configured. Also, check if the ramp-down times are too short.
Why is motor speed unstable in Danfoss DC Drives?
If the motor speed is unstable in your Danfoss DC Drives, it might be due to incorrect parameter settings. Review the settings in parameter group 1-6* Load Depen. Setting. For closed-loop operation, check settings in parameter group 20-0* Feedback.
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