Hitachi S1 Series Basic Manual page 167

S1 series standard inverter
7.6.2 Motor vibrates
Whether the V/F
No
vibration parameter is
set properly?
Set the parameters
properly
No
Yes
Motor vibrates or emits
an unusual sound
Whether the motor
parameters and motor type
are set correctly ?
Yes
Whether autotuning is
performed?
Yes
Whether it is vector
control?
Yes
Whether the ASR and ACR
parameters are set
properly?
Yes
Whether unusual
fluctuations occurs when it
runs at the set frequency?
No
Whether unusual
fluctuations occurs on the
load?
No
If it is an inverter fault,
contact our company
-162-
Set the motor type
No
and parameters
correctly
No
Perform autotuning
No
Set the parameter
properly
Yes
Check the set
frequency
Yes
Check the load