ST300 Series | E13, what does this message mean, and what can be done?

If the error message E13 appears on the frequency converter display, it indicates a phase loss on the input side.

Causes:
Phase loss or strong fluctuations at the R, S, and T input terminals.
Input terminal screws not properly tightened.

Solutions:
Check the input power supply.
Check the wiring of the installation and the tightening torque of the terminal screws.

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

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