Drivecon LU1 fault code meaning
Drivecon / LU1
Series: VF5100HG
Under voltage (control power supply source)
AC drive
Meaning: Under voltage (control 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 control power supply source of VF5100HG senses shortage. Also as this protection goes in action continuing for 10 seconds,once sluggishness of starting is activated, StrF and LU1 at console illuminated alternately shifting to stop of VF5100HG. Root cause presumed. (1) Removal of control power source - Check control power supply source's input terminals of VF5100HG.(MR-MT) (2) Control power supply
Possible causes
Source: Drivecon VF5100HG Instruction Manual Protective functions P35