What does the fault code LFF2 fault mean on the Altivar drives?
What does the fault code LFF2 fault mean on the ATV61 or ATV71 drives?
Altivar ATV61 and ATV71
The drive is powering up with a LFF2 fault.
LFF2 LFF3 and LFF4 are all 4 to 20mA loss of follower faults.
Check your programing in the FLT menu under 4 to 20mA loss of follower. This this fuction off if you are not using it or check your analog signal to see if the drive is getting a 4mA min signal.