Answer / sheikh

this is not possible that without any reason motor going to
be off . your star delta control or power circuit may be
wrong other wise motor may be faulty.

Answer / ashok

Control circuit wire is loose conection..
Check the control circuit wire,in adanblock and
Coil side...

Answer / sl singh

May be main supply is cut

Answer / zeeshanakbarz

it can be off on process interlock.

Answer / shiva

check the olr its may trip inside the panel board..

Answer / dinesh kumar

check the load amps of the motor and bearing conditions of the motor and the olr current settings and check the terminal loose connections

Answer / sakthivel k

Check the load current there may be a chance due load side issues. Also check for the motor noise is there any noise in bearing / housing. You may also check the load coupled/connected with this drive.

Answer / julhash ali ahmed

Check the relay capacity. Motor may be stakes.Relay range will be 14 to 18

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