Samsung EF fault code meaning

Samsung / EF

Series: MOSCON-F7

Forward/Reverse Run Commands Input Together

AC drive

Meaning: Both the forward and Reverse Run Commands have been ON for more than 0.5 s. | Check the sequence of the forward and Reverse Run Commands. Since the rotational direction is unknown, the motor will be decelerated to a stop when this minor fault occurs.

Possible causes

Source: