E6581611
M-4
13
(Continued)
Error code Failure code Problem Possible causes Remedies
0028
0054
0055
0056
Auto-tuning error
The motor parameter , , ,
, are not set correctly.
Set the left column parameters correctly
as a motor name plate and make an auto-
tuning again.
Set parameter f416 to smaller 70% of
the present value, and execute the auto-
tuning again.
The motor with the capacity of 2 classes
or less than the inverter is used.
The output cable is too thin.
The inverter is used for loads other than
those of three-phase induction motors.
Set the left column parameters correctly
as a motor name plate and make an auto-
tuning again.
Then set f400=1, when trip occurs.
The motor is not connected.
Connect the motor.
Check whether the secondary magnetic
contactor.
The motor is rotating.
Make an auto-tuning again after the
rotation of the motor stops.
Parameter pt=6 is set and High speed
motor is connected.
Choose the higher power range drive.
(1 class up drive is recommended.)
0022 Ground fault
A ground fault occurs in the output cable
or the motor.
Check the cable and the motor for ground
faults.
Overcurrent of dynamic braking resistor Increase the deceleration time dec.
Set the supply voltage correction f307
to 1 or 3.
When inverters are fed by AC power
supply and connected with common DC
bus link, unnecessary trip occurs.
Set the parameter f614 to 0
“Disabled”.
*
002F Step-out (for PM
motor drive only)
The motor shaft is locked.
One output phase is open.
An impact load is applied.
Using the DC braking function.
Unlock the motor shaft.
Check the interconnect cables between
the inverter and the motor.
Prolong the acceleration / deceleration
time.
Turn off the Step-out function when using
the DC braking function or change the DC
braking to Servo lock function.
0029 Inverter type error
It may be a breakdown failure. Contact your Toshiba distributor.
002D Over speed fault
The input voltage fluctuates abnormally.
Over speed fault due to the overvoltage
limit operation.
Check the input voltage.
Install an optional dynamic braking
resistor. (optional)
*
0032 Analog input break
detection fault
The input signal from VIC is equal to or
less than the setting.
Check the VIC signal cable for breaks.
Also, check the input signal value or
setting of .
0033 CPU communications
error
A communications error occurs between
control CPUs.
Contact your Toshiba distributor.
0034 Over torque boost
fault
The automatic torque boost parameter
setting is too high.
The motor has too small impedance.
Set a lower automatic torque boost
parameter setting.
Make an auto-tuning.
0035 CPU fault 2
The control CPU is defective. Contact your Toshiba distributor.
0037 Optional unit fault 2
An optional device is defective. Contact your Toshiba distributor.
003A CPU fault 3
The control CPU is defective. Contact your Toshiba distributor.
0057 Internal circuit fault
Internal circuit is defective. Contact your Toshiba distributor.
0063 Heavy cycle of main
power ON/OFF
Main power ON/OFF during running is
repeated frequently.
Initial failure if it is caused by other
reasons.
Reduce the frequency of repetition of
main power ON/OFF during running.
Contact your Toshiba distributor.
0040 PTC fault
PTC thermal protection is occurred. Check the PTC in motor.
0045 Servo lock fault
The motor shaft is not locked in servo lock
operation.
Reduce the load in servo lock operation.
* This marking trips can be selected valid or invalid by parameters.
(Continued overleaf)
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