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www.yankong.com MS-S3 V2.1 User Manual
20 03/06/2019
7 Common faults and handling
Caution：
The drive and motor must be powered off for at least 5 minutes before
touching the drive and motor to prevent electric shock and burns.
After the drive fault alarm, it must be eliminated according to the alarm code
before it can be put into use again.
7.1 Troubleshooting
Does the LED display an error
code?
Is the supply voltage within the voltage range
required by the drive?
Is the power input connected?
Is the connection loose?
Is the connecting part loose, disconnected,
broken, or shorted?
Is the wiring correct?
Is the control
signal port wiring
correct?
Is the connecting
part off,
disconnected, or
shorted?
Is the encoder
feedback port
loose or
disconnected?
Does the motor have an abnormal
sound?
Does the electromagnetic brake
operate?
Is the encoder feedback
extension cable interface
loose or disconnected?
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