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Stone engraving machine spindle motor 4 fault
First, the stone engraving machine spindle motor is hot.
Solution: Check the pump is working, whether the lower level of circulating water.
Second, the stone engraving machine motor power is small.
Solution: Check whether the motor line phase, the cable is short-circuited.
Third, the stone engraving machine motor sound is abnormal.
Solution: 1, the motor is overloaded;
2, the internal electrical fault, repair or replacement.
Fourth, the stone engraving machine motor reversal.
Solution: Check whether the motor line phase or the output UVW terminal exchange.