Check at site measure resistance R-S-T found 2 cable over load. Check at terminal motor found 1 cable untighten. Do tighten cable and recover all cable use rubber isolation and cable isolation test function 483 RF2 with different speed  result normal. Check VSD of 483 RF2 test function  motor with different speed check ampere at display VSD result around 1.71 to 1.75 ampere ( JAJAT & EDI & ADI )