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S-Flex 212 drive is going into SC3P fault on power up. What can cause this to happen?
Altivar 21, 212, S-flex
Any 21, 212 and S-Flex
Drive is detecting a ground short or a motor short circuit on the output of the drive.
-OC3P= means you are getting a ground fault. Its as short circuit or ground fault during constant speed operation.
-Try turning off the OPL F605= 0 and running the drive open circuit at 20hz 40hz and 60hz. Using a Fluke digital RMS meter measure the output voltage from the drive to see if they are balanced at each level.
If the drives output voltages are ok
-Try dropping the motor leads and megger out the motor leads and cables with a 1KV megger.
Check your grounding connections
- Double check all of you motor parameters settings in the drive.