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Warning /Alarm 10 in danfoss VLT FC360 drive

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Warning /Alarm 10 in danfoss VLT FC360 drive : Motor ETR overtemperature - according to the electronic thermal protection (ETR), the motor is too hot. This warning/alarm is controlled by parameter 1-90 Motor Thermal Protection.

  1. If the parameter is set to warning options, the drive issues a warning or an alarm when the counter is >90%.
  2. If the parameter is set to trip options, the drive trips when the counter reaches 100%.
  3. The fault occurs when the motor runs with more than 100% overload for too long.

Troubleshooting

  1. Check for motor overheating.
  2. Check whether the motor is mechanically overloaded.
  3. Check that the motor current set in parameter 1-24 Motor Current is correct.
  4. Ensure that the motor data in parameters 1-20 to 1-25 is set correctly.
  5. If an external fan is in use, check that it is selected in parameter 1-91 Motor External Fan.
  6. Run AMA in parameter 1-29 Automatic Motor Adaptation (AMA). This tunes the drive to the motor more accurately and reduces thermal loading.
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