86
The DC braking amount is too large.
Reduce the DC braking current and prolong the
braking time
When instantaneous stop happens,
the rotating motor is restarted.
Set the startup mode P08.00 to startup after
speed tracking
The acceleration time is too short.
Prolong the acceleration time
The grid voltage is too low.
The V/F curve is improper.
Adjust the V/F curve and torque boost
The motor overload protection factor
setting is incorrect.
Set the overload protection factor of the motor
correctly
The motor is blocked or the sudden
change of load is too large.
The universal motor runs at low
speed for a long time with high load
For long-time low-speed running, a specialized
motor should be used
The grid voltage is too low.
The V/F curve is improper.
Set the V/F curve and torque boost correctly
Emergency stop
or external
device fault
Sudden stop using the STOP key
See the function definition of the STOP key in
P00.04
External fault emergency stop
terminal is enabled.
After the external fault is revoked, release the
external fault terminal
The read/write error of the control
parameters occurs.
Reset by pressing the STOP/RESET key, and seek
for technical support
Current
detection circuit
abnormal
Wires or plug-in units of the control
board are loose.
The auxiliary power supply is
damaged.
Seek for technical support
The Hall device is damaged.
Seek for technical support
The amplifying circuit is abnormal.
Seek for technical support