Toshiba TOSVERT VF-AS3 Instruction Manual page 596

Trip
display
OC3
OCA1
OCA2
4
OCA3
4
OCL
OCr
8
9
OH
13
OH2
OL1
13. Trip information and measures
Failure
Trip name
code
0003 Overcurrent 1) The load changed rapidly.
(during 2) Error occurred in the machinery
constant (something got stuck, etc.).
speed 3) Tried to run a low inductance motor like
running) a high-speed motor.
4) When <Pt> = "11", polarity of PG is
opposite.
5) When <F614: Pulse width of short
circuit detection at start> = "0", and
<F613>=2, or 3 inverter output short
circuit.
0005 Overcurrent Fault on IGBT in U-phase.
(U-phase
arm)
0006 Overcurrent Fault on IGBT in V-phase.
(V-phase arm)
0007 Overcurrent Fault on IGBT in W-phase.
(W-phase
arm)
0004 Overcurrent 1) Short circuit occurred on the output
(load side at side.
startup) 2) The motor and output side wiring have
defective insulation.
3) Impedance on the motor is low.
0024 Overcurrent 1) When "Enabled" is set in <F304:
(Braking Dynamic braking, OLr trip>:
resistor) • The braking resistor is not connected.
• The braking resistor connection is
disconnected.
• A braking resistor with a resistance
value under the minimum allowable
resistance value is connected.
2) Short circuit occurred between [PB] and
[PC/-].
3) IGBT fault on the dynamic braking drive
circuit control.
0010 Overheat 1) The cooling fan is not working.
2) Ambient temperature is high.
3) The vent of the cooling fan is blocked.
4) Other heating units are nearby.
002E External A signal of external thermal trip is input.
thermal trip *
000D Overload 1) Sudden acceleration occurs and the
(Inverter) acceleration time is short.
2) <Pt: V/f Pattern> does not match the
machinery.
3) Momentary power failure occurred, and
tried to start the rotating motor.
4) The DC braking amount is large.
5) The load is large for the inverter
capacity.
*Enable/Disable can be selected for trip with a parameter.
Detection factor
1) Suppress load fluctuation.
2) Check whether a problem exists in the
3) Change the inverter to large capacity.
Fault in internal inverter.
Contact your Toshiba distributor.
Fault in internal inverter.
Contact your Toshiba distributor.
Fault in internal inverter.
Contact your Toshiba distributor.
1) Check the wiring on the output side.
2) Check the insulation on the output side.
3) Set <F613: Short circuit detection at
1) Check if an adequate braking resistor is
2) Check for problems on impedance of
3) Fault in internal inverter.
* This trip can not be reset. For trip clear,
1) Replace if the cooling fan is not working
2) Lower the ambient temperature. Reset
3) Make sure the vent of the cooling fan is
4) Place other heating units away from the
Check that the motor is not overloaded.
1) Increase the acceleration time. <ACC:
2) Set <Pt: V/f Pattern> according to the
3) Set <F301: Auto-restart>. Depending
4) Set <F251: DC braking current> small
5) Change the inverter to large capacity.
13-6
E6582062
Measures
machinery.
start> to "2" or "3".
connected. When a braking resistor is
not necessary, set "Disabled" in
<F304>.
the braking resistor, wiring, etc.
Contact your Toshiba distributor.
turn off the power and then turn it on
again.
during run.
after the inverter cools down.
not blocked.
inverter.
Acceleration time 1>, etc.
machinery.
on the characteristic of machinery,
<F302: Regenerative power ride-
through> = "1" is also effective.
and <F252: DC braking time> short.