Hitachi S1 Series User Manual

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

Hitachi S1 Series Specifications

General

Output Frequency	0 - 400 Hz
Overload Capacity	150% for 60 seconds
Frequency	50/60 Hz
Control Method	Sensorless Vector Control
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overheat, Short Circuit
Communication	RS485, Modbus RTU
Output Voltage	3-Phase 200-240VAC, 3-Phase 380-480VAC (Matches Input Voltage)
Cooling Method	Fan Cooled