CV7300 Instruction Manual - TECO-Westinghouse Motor Company
CV7300 Instruction Manual - TECO-Westinghouse Motor Company
CV7300 Instruction Manual - TECO-Westinghouse Motor Company
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The motor can not run<br />
YES<br />
Is MCCB<br />
applied?<br />
Can MCCB be<br />
applied?<br />
Are voltages<br />
between power<br />
terminals correct?<br />
Is LED 101lit?<br />
Are there outputs between<br />
U,V,W terminals of the motor<br />
Are outputs between<br />
U,V,W even<br />
˙<strong>Motor</strong><br />
˙<strong>Motor</strong> faults<br />
˙Bad wiring<br />
NO<br />
Is the operation switch<br />
in “RUN’ position<br />
YES (within ±10% of the normal value)<br />
YES<br />
Chapter 5 Troubleshooting and maintenance<br />
Short circuited wiring<br />
˙The power is abnormal<br />
˙Bad wiring<br />
YES (voltage deviation between pairs are even if within ±3%<br />
of the normal value without the motor connected)<br />
5-12<br />
NO<br />
NO<br />
NO<br />
NO<br />
NO<br />
NO<br />
7300CV fault<br />
The operation switch is set to<br />
“RUN’ position<br />
7300CV fault<br />
7300CV fault
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