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Check first when you have a trouble
6.3 Check first when you have a trouble
If the following malfunctions occur, refer to the troubleshooting in the Instruction Manual (Applied).
y Motor does not start
y Motor or machine is making abnormal acoustic noise
y Inverter generates abnormal noise
y Motor generates heat abnormally
y Motor rotates in the opposite direction
y Speed greatly differs from the setting
y Acceleration/deceleration is not smooth
y Speed varies during operation
y Operation mode is not changed properly
y Operation panel display is not operating
y Motor current is too large
y Speed does not accelerate
y Unable to write parameter setting