Toshiba TOSVERT VF-PS1 Instruction Manual page 304

(Continued)
Error
Description
code
•A data writing error occurs.
EEPROM error
•Some internal data is corrupted.
Initial read error •Power was turned off while
was being set.
Initial read error •Some internal data is corrupted.
•A current leaked from an output
Ground fault
cable or the motor to ground.
•A phase failure occurred in the
* Output phase
output line of the main circuit.
failure
* Input phase •A phase failure occurred in the
failure input line of the main circuit.
Main unit RAM •The control RAM is defective.
fault
Main unit ROM •The control ROM is defective.
fault
CPU fault •The control CPU is defective.
Interruption of •A normal communication was not
operation possible for the time or longer set
command from by
external control
device
Gate array fault •Main gate array is defective.
Output current •The main output current detector
detector error is defective.
•An optional device has failed.
Optional unit
(such as a communication device
fault
[add-on option])
•It was unable to auto tuning
normally.
Tuning error
•The internal system error occurred
during auto tuning.
• Some of
be detected during auto tuning.
•The capacity of the motor
connected is 2 notches or more
smaller than the inverter capacity.
•The motor connected is not a
Tuning
three-phase inductive motor.
detection error
•Tuning is performed while no
motor is connected.
•The cables connecting the inverter
to the motor are too long; they are
more than 30m in length.
•Tuning is performed while the
motor is running.
• Some detection values of
normal value.
•The capacity of the motor
connected is 2 notches or more
Motor constant smaller than the inverter capacity.
value error •The motor connected is not a
three-phase inductive motor.
•The cables connecting the inverter
to the motor are too long; they are
more than 30m in length.
•Tuning is performed while the
motor is running.
Some items indicated on the motor
nameplate are not entered correctly.
•Base frequency
Motor constant
•Base frequency voltage 1
setting error
•Motor rated capacity
•Motor rated current
•Motor rated speed
*Presence or absence of parameter trip can be selected.
(Continued overleaf)
Possible causes
•Turn off the inverter, then turn it again. If it does
not recover from the error, contact your Toshiba
distributor.
•Contact your Toshiba distributor.
•Set
from the error, contact your Toshiba distributor.
•Contact your Toshiba distributor.
•Check the cable and the motor for ground faults.
•Check the main circuit output line, motor, etc. for
phase failure.
•Select output phase failure detection parameter
•Check the main circuit input line for phase failure.
•Contact your Toshiba distributor.
•Contact your Toshiba distributor.
•Contact your Toshiba distributor.
•Check the remote control device, cables, etc.
.
•Contact your Toshiba distributor.
•Contact your Toshiba distributor.
•Check the connection of optional board(s).
•Refer to instructions of options concerned
specified in Section 6.36.
•Perform auto-tuning 1 again and if the error
persists, contact your Toshiba distributor.
, , •Make sure that a motor is connected.
and were not to •Make sure that the motor is at standstill.
•Perform auto-tuning 1 again and if the error
persists, perform tuning manually.
•Make sure that the motor is at standstill.
, , and •Perform auto-tuning 1 again and if the error
were beyond the limits of persists, perform tuning manually.
•Make sure that all items on the motor nameplate
are entered correctly.
M-3
E6581386
Remedies
again. If the inverter does not recover
.
13