GE VAT200 Quick Start Manual page 103

The motor can not run
YES Is MCCB
applied?
Can MCCB be
applied?
Are voltages
between power
terminals correct?
Is LED 101lit?
Is the operation switch
in "RUN' position
Are there outputs between
U,V,W terminals of the motor
Are outputs between
U,V,W even
˙Motor
˙Motor faults
˙Bad wiring
NO
NO
YES (within ±10% of the normal value)
NO
NO
NO
YES
NO
NO
YES (voltage deviation between pairs are even if within ±3%
of the normal value without the motor connected)
5-11
Chapter 5 Troubleshooting and maintenance
Short circuited wiring
˙The power is abnormal
˙Bad wiring
VAT200 fault
The operation switch is set to
"RUN' position
VAT200 fault
VAT200 fault