Product specifications

Chapter 7 Troubleshooting
HA-680_V04
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Is the command
voltage normal?
Is any noise
generated?
If there is a ripple on signal, stabilize it.
Check whether noise is being generated.
N
Y
Is the actuator
revolution speed
below the max.
allowance?
Decrease the actuator
revolution speed below
the allowance.
N
Y
Set the gain to the
proper value.
Is the load
fluctuation
normal?
Has the load fluctuation
decreased?
Use a large actuator.
N
Y
Does gain
adjustment
succeed?
N
Y
Set the gain to the
proper value.
N
Verify motor cable
connections.
Y
N
Y
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Is the load
inertia proper?
Decrease the load
inertia.
N
Y
Does gain
adjustment
succeed?
N
N
Is the encoder
signal normal?
Y
N
Is there a noise
included in the
encoder
signal?
Y
Is motor wiring
from driver
disconnected or
it the phase orde
r
correct?
Set [parameter] [17,
18: current limit]
normal.
Is [parameter]
[17,18:current
limit] value too
small?
Securely shield and
ground the encoder
cable.
Replace the actuator.