Code

Name

Causes

Possible Solutions

EF

FWD/REV Run Command Input Error

A forward command and a reverse command were input at the same time for longer than 0.5 s.

Examine the forward and reverse command sequence and correct the problem.
Note:

  • If the drive detects EF, the motor will ramp to stop.

  • If the drive detects this error, the terminal assigned to H2-01 to H2-04 = 10 [MFDO Function Select = Alarm] will be ON.