7-14
7-2 Troubleshooting
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
7
Maintenance Operations
The output
frequency
becomes unstable.
Various parameters are
not appropriate.
Shift the output frequency slightly away
from the power supply frequency.
5-15
Change the value of Stabilization
Parameter (H006/H206).
5-81
The load fluctuates
significantly.
Increase the motor/Inverter capacity.
−
The power supply voltage
fluctuates.
Suppress the fluctuation.
−
Sufficient torque
does not generate.
Various parameters are
not appropriate.
[Acceleration/constant
speed operation]
Increase the value of Manual Torque Boost
Voltage (A042/A242) or Manual Torque
Boost Frequency (A043/A243).
5-49
Set Torque Boost Selection (A041/A241)
to "01: Automatic torque boost".
5-49
Decrease the Carrier Frequency (b083). 5-51
Set Control Method (A044/A244) to "03:
Sensorless vector control (SLV)".
5-144
Various parameters are
not appropriate.
[Deceleration]
Extend the Deceleration Time (F003/F203/
A093/A293).
5-24
5-66
Turn OFF the AVR Selection (A081/A281). 5-27
Use a Braking Resistor or Regenerative
Braking Unit.
−
The Inverter trips or
executes a free-run
or deceleration
stop when the
Digital Operator or
LCD Operator
cable is
disconnected.
The operation to be taken
upon Digital Operator
disconnection is not
selected properly.
Set Selection of Operation on Digital
Operator Disconnection (b165) to "02:
Ignore".
5-86
Condition Possible cause Remedial actions
R
eference
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