Toshiba TOSVERT VF-AS3 Instruction Manual page 576

Trip
display
OH
OH2
OL1
4
4
OL2
8
OL3
9
OLr
13
OP1
13. Trip information and measures
Failure
Trip name
code
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 ther- A signal of external thermal trip is input.
mal 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.
000E Overload 1) The motor is locked up.
(Motor) * 2) Operation continues in low-speed
range.
3) The motor is overloaded.
4) The setting of the electronic thermal
does not match the motor
characteristic.
5) <Pt: V/f Pattern> does not match the
machinery.
003E Overload 1) While operating the low-speed range
(IGBT) (15 Hz or less) with high carrier
frequency, overload occurred.
2) Momentary power failure occurred, and
tried to start the rotating motor.
000F Overload 1) The braking rate is large.
(Braking 2) The deceleration time is short.
resistor) *
000A Overvoltage 1) Input voltage is high and showed
(during accel- abnormal fluctuation.
eration) 2) Connection is made as the following
system.
• Power supply capacity is 500 kVA or
more.
• The power factor improvement
capacitor was opened/closed.
• Equipment is connected that uses
thyristor on the same system.
3) Momentary power failure occurred, and
tried to start the rotating motor.
*Enable/Disable can be selected for trip with a parameter.
Detection factor
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.
1) Check the machinery.
2), 3), and 4) Set the electronic thermal
5) Set <Pt: V/f Pattern> according to the
1)
• Reduce the load.
• Lower the carrier frequency. Or set
• Increase the output frequency.
2) Set <F301: Auto-restart>. Depending
• Increase the deceleration time. <dEC:
• Change the braking resistor (option) to a
1) Use within the power supply voltage
2) Install an input AC reactor (option).
3) Set <F301: Auto-restart>. Depending
13-6
E6582062
Measures
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.
according to the motor. <OLM: Motor
overload protection characteristic>,
<tHrA: Motor overload protection
current 1>, etc.
machinery.
<F316: Carrier frequency control> to
"Valid decrease".
on the characteristic of machinery,
<F302: Regenerative power ride-
through> = "1" is also effective.
Deceleration time 1>, etc.
large capacity, and set <F309: Braking
resistor capacity>.
range. When no problem is found in the
input voltage, install an input AC
reactor (option).
on the characteristic of machinery,
<F302: Regenerative power ride-
through> = "1" is also effective.