Drivecon LU3 fault code meaning
Drivecon / LU3
Series: VF5100HG
Abnormality of base drive power supply source.
AC drive
Meaning: Abnormality of base drive power supply source. Fault relay (86A): No action. Whereas, when continuing for 10 sec., action by sluggishness of starting. (Note 2). | Note: This protection goes in action as base drive power supply source of VF5100HG becomes abnormal. Also as this protection conducts action continuing for 10 seconds, sluggishness of starting is activated, StrF and LU3 at console illuminate alternately shifting to stop of VF5100HG. Root cause presumed: (1) Base drive circuit is defective - replace printed board (BACHG-__).
Possible causes
Source: Drivecon VF5100HG Instruction Manual Protective functions P35