ST300 Series | E19, what does this message mean, and what can be done?

If the error message E19 appears on the frequency converter display, it indicates a current detection error.

Causes:
Defective motor cable or faulty insulation.
Error in the amplifier circuit.

Solutions:
Disconnect the motor cables to check if the error also occurs without them. If not, inspect the cable and the motor.
Contact technical support if the error reoccurs even after a complete restart.

If none of these causes apply, please contact technical support.

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