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.
What does parameter error mean on Danfoss DC Drives?
If your Danfoss DC Drives displays a parameter error, it means the parameter is out of range.
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 to do if motor phase V is missing in Danfoss DC Drives?
If your Danfoss DC Drives report that motor phase V is missing, remove the power from the frequency converter and check motor phase V.
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 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 causes 10 Volts low error in Danfoss DC Drives?
A '10 Volts low' error in Danfoss DC Drives can be caused by a short in a connected potentiometer or improper wiring of the potentiometer. Remove the wiring from terminal 50. If the warning clears, the problem is with the customer wiring. If the warning does not clear, replace the control card.
How to troubleshoot motor thermistor overtemp in Danfoss VLT CANopen MCA 105?
If you are getting a motor thermistor overtemp warning on your Danfoss DC Drives, check whether the thermistor is disconnected. Also, check for motor overheating and if the motor is mechanically overloaded. When using terminal 53 or 54, ensure the thermistor is correctly connected between either terminal 53 or 54 (analog voltage input) and terminal 50 (+10 V supply), and that the terminal switch for 53 or 54 is set for voltage. If using terminal 18, 19, 31, 32, or 33 (digital inputs), ensure the thermistor is correctly connected between the digital input terminal used (digital input PNP only) and terminal 50.
What to do for an inrush fault in Danfoss DC Drives?
If your Danfoss DC Drives are showing an inrush fault, it means too many power-ups have occurred within a short time period. Let the unit cool to operating temperature.
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.
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