What is the Flashing C on the ATV21 and ATV212 drives?
Display is flashing "C"
All Models and serial numbers
Motor is drawing excessive current or the motor settings in the drive are incorrect.
Flashing C means the drive is in a current limit state. Check F601 current limit setting it should be set to 1.1X your Drives Full load amps. Typ needs to be set to 2 uLu needs to be motor volage 460vac AU1 = 0 auto ramp off Run the motor if the motor is still pulling excessive current check rotation. Drop the motor leads and megger to the motor with a 1KV megger.