Description of Fault Codes
‑66‑
Cause
Troubleshooting
Solution
Check whether resonance
that occurred during ETune
operation cannot be
suppressed.
Check whether there is
abnormal noise or torque
fluctuation during
operation.
1. Set the notch manually
when vibration cannot be
suppressed
automatically.
2. Modify the electronic gear
ratio to improve the
command resolution,
increase the command
filter time constant or in
the parameter
configuration interface.
3. Increase the value of
H09.11 as appropriate.
4. Check whether the
machine suffers from
periodic fluctuation.
5. Check whether the
positioning threshold is
too low. Increase the
reference acceleration/
deceleration time.
● E663.0: ITune failure
Description:
Check whether resonance that occurred during ITune operation cannot be
suppressed.
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