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Michele MartinSep 12, 2025
What to do if AMA interrupted by user on Danfoss VLT CANopen MCA 105?
- Llauren27Sep 12, 2025
If the AMA was interrupted by the user on your Danfoss DC Drives, try to restart AMA again.
What to do if AMA interrupted by user on Danfoss VLT CANopen MCA 105?
If the AMA was interrupted by the user on your Danfoss DC Drives, try to restart AMA again.
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.
Why Danfoss DC Drives power on with red light?
If your Danfoss DC Drives show 'Power On' and the indicator is red, this typically indicates an IP Address Conflict. Resolve the IP conflict.
How to resume operation after PTC 1 safe stop on Danfoss VLT CANopen MCA 105 DC Drives?
If Safe Torque Off has been activated from the PTC Thermistor Card MCB 112 on your Danfoss DC Drives, normal operation can be resumed when the MCB 112 applies 24 V DC to Terminal 37.
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 to do if Danfoss DC Drives show External error DI1?
If your Danfoss DC drive is showing 'External error DI1', it could be due to a safety input connected to DI1 having an illegal signal level, or the sensor might be broken. You can resolve this by checking that the configuration of DI1 (parameter 42-21 Type, sub-index [0]) is set correctly and that the connected sensor is installed according to specification. Additionally, you can extend the discrepancy time for DI1 using the VLT® Motion Control Tool MCT 10 Safe Plug-in.
What to do if Danfoss DC Drives show an earth fault?
If your Danfoss DC Drives indicates an earth fault, it means there's current leaking from the output phases to ground, either in the cable between the frequency converter and the motor, or within the motor itself. The solution is to remove power to the frequency converter and repair the earth fault.
What to do for option detection issues in Danfoss DC Drives?
If your Danfoss DC Drives detects a change in the option layout, enable option layout changes to apply the change.
What to do if Danfoss DC Drives says 'AMA parameter out of range'?
If you receive an 'AMA parameter out of range' error on your Danfoss DC Drives, check the settings.
What should I do if my Danfoss VLT CANopen MCA 105 DC Drives experience a mains failure?
If your Danfoss DC Drives experience a mains failure, it indicates that the supply voltage to the frequency converter is lost. Check the fuses to the frequency converter and mains power supply to the unit.
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