Description of Warning Codes
‑19‑
Mechanical couplings of the load are loose or eccentric. Rectify the mechanical
faults.
A warning occurs during auto‑tuning and causes interruption. Rectify the fault
causes and perform inertia auto‑tuning again.
The vibration cannot be suppressed if the load carries a large inertia. In this case,
increase the acceleration/deceleration time first to ensure the motor current is
unsaturated.
Cause
Confirming Method
Solution
1. Continuous vibration
occurs during auto‑
tuning.
2. The auto‑tuned values
fluctuate dramatically.
3. Mechanical couplings of
the load are loose or
eccentric.
4. A warning occurs during
auto‑tuning and causes
interruption.
5. The vibration cannot be
suppressed if the load
carries a large inertia. In
this case, increase the
acceleration/deceleration
time first to ensure the
motor current is
unsaturated.
Perform internal inspection
to check whether the torque
jitters upon stop (not FFT.
1. Rectify the fault and
perform inertia auto‑
tuning again.
2. For vibration that cannot
be suppressed, enable
vibration suppression.
3. Ensure mechanical
couplings are connected
securely.
4. Increase the maximum
operating speed, reduce
the acceleration/
deceleration time, and
shorten the stroke of the
lead screw during ETune
operation.
● E601.0: Homing timeout
Cause:
The homing time exceeds the time set by H05.35.