User Manual Troubleshooting
EM1 Series AC Servo Motors EM1-01-0-EN-2110-MA Page 60 of 72
11.1 HIWIN AC Servo Motor Troubleshooting Form
In the event a breakdown or error occurs with the servo motor, this form has been designed to
help the user to provide HIWIN with the most essential details so that the unit can be
troubleshot and repaired efficiently and effectively. Avoiding any possible and unnecessary
downtime. Please ensure the form is filled out in full.
Caution: Don’t dismount the motor before the all possible required measurements be performed
with the motor mounted in machine.
Identification of Motor
Product code:
Serial number of motor (see nameplate): _____________________________________________________
Motor Orientation: ⎕ Horizontal / ⎕ Vertical
Motor in service since (yyyy-mm-dd): _________________________________________________________
Failure Situation
Failure description:
What was the status when the motor failed?
⎕ During commissioning stage, comments:
_____________________________________________________________________________________________
⎕ During normal operation stage (e.q. turning, milling, stalled), please specify:
_____________________________________________________________________________________________
⎕ Other operation:
_____________________________________________________________________________________________
Failure message from the driver: ⎕ No / ⎕ Yes, message:
_____________________________________________________________________________________________
_____________________________________________________________________________________________
⎕ Rapid stop, comments:
_____________________________________________________________________________________________
_____________________________________________________________________________________________
⎕ Performance degradation (vibration, ripple, noise), comments:
_____________________________________________________________________________________________
_____________________________________________________________________________________________
Other, comments:
_____________________________________________________________________________________________
_____________________________________________________________________________________________
Did the same failure occur before?
⎕ No / ⎕ Yes, when exactly (yyyy-mm-dd): ___________, failure motor type: _____________
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