AB 1 fault code meaning
AB / 1
Series: PowerFlex 700S Phase II
Abs Ovespd Det
AC drive
Meaning: Motor speed has exceeded the limits set by Par 75 [Rev Speed Check to see if the encoder feedback polarity Limit], Par 76 [Fwd Speed Limit] and Par 335 [Abs OverSpd Lim]
Possible causes
Source: