Craftsman G10-0R7G-2SB Manual page 130

Over-current
OC2 when
deceleration
Over-current
OC3 when constant
speed running
Over-voltage
OU1 when
acceleration
Over-voltage
OU2 when
deceleration
Over-voltage
when speed
OU3
constant
running
DC bus Under-
UU
voltage
OL1 Motor overload
is too low.
5. V/F curve is not
suitable.
1. Dec time is too Short.
2.Load potential energy or
inertia is too large.
3.The power of the inverter
is too low.
1.The load transients or
is abnormal.
2.The voltage of the grid
is too low.
3.The power of the inverter
is too low.
1. Input voltage is too high.
2. While power is off,
restart motor which is
running .
1 .Dec time is too short.
2.The inertia of the load is
big.
3.The input voltage is
abnormal.
1 .The input voltage
changes abnormally.
2. The inertia of the load is
big.
1.The voltage of the grid is
low.
2.Momentary interruption.
1 .The voltage of the
power supply is too low.
2. The motor setting rated
current is incorrect.
3. The motor stall or load
130
capacity.
5.Reset V/F curve or torque
boost value.
1.Prolong Dec time.
2.Connect external braking
resistance or braking unit.
3.Select inverter with right
capacity.
1. Check load's changing and
eliminate it.
2.Check input power.
3.Select inverter with right
capacity
1.Check input power.
2.Avoid restart-up after stopping.
1.Increase the Dec time.
2.Increase the energy-consuming
components.
3. Check the input power.
1 .Install the input reactor.
2.Add proper energy-consuming
components.
1.Check input power.
2.RESET operation.
1 .Check the power grid voltage.
2. Reset the rated current of the
motor.
3. Check the load and adjust the
torque lift.
4. Select a proper motor.