Toshiba TOSVERT VF-AS1 Instruction Manual page 299

(Continued)
Error
Problem
code
•This message is displayed when
pressing the STOP key while an
Clear enabling
error code is displayed.
indication
• Input terminal RES signal is ON
during trip display.
Emergency stop •The operation panel is used to stop
enabling the operation in automatic control
indication or remote control mode.
Setting error •An error is found in a setting when
alarm data is reading or writing.
An error code
/ and data are
displayed
alternately twice
each.
•DC braking in process
DC braking
Shaft fixing in •Motor shaft fixing control is in
control process.
•The digit number of the item
displayed, e.g., frequency, is in
Panel indication excess of the specified digit
overflow
number.
(Number of overflowing digits is
indicated.)
Parameters in •Parameters are being initialized to
the process of default values.
initialization
•Auto-tuning 1 in process.
In auto-tuning 1
Auto-stop •The automatic stop function of
because of
continuous
operation at the
lower-limit
frequency
Momentary •The deceleration stop function of
power failure
slowdown stop through control) is activated.
prohibition
function
activated.
Display of •First and last data in the
/
first/last data group.
items
•Learning for brake sequence
During learning operation or light-load high-speed
operation is currently in progress.
•Braking operation is not performed
normally.
Brake sequence
•The load is too heavy.
learning error
•There are some operation errors.
Light-load high- •There are some errors in the
speed learning operation for learning for light-load
operation error high-speed operation.
• Learning operation for light-load
high-speed operation is performed
Light-load high-
while the load is lifted.
speed learning
•Motor constants (
overload error
entered correctly.
• This message appears if the
Key operation ENTER key is pressed and held
permitted down for 5 seconds or more when
temporarily key operation is prohibited by
Note: In the case of DC injection breaking ON/OFF function is selected for an input terminal; if "
result of open-circuit between the terminal and CC, it is normal.
Possible causes
is being performed.
(regenerative power ride-
, ,
to ) are not
.
M-5
Remedies
•Press the STOP key again to clear the trip.
•Turn off the input terminal RES signal.
•Press the STOP key for an emergency stop. To
cancel the emergency stop, press any other key.
•Check whether the setting is made correctly.
•The message goes off in several tens of seconds if
no problem occurs. [Note]
•If the message disappears by stop command (ST-
CC open), it is normal.
•For indication of frequency, set multiplying rate
( ) lower. (Parameter setting that results in
overflow is of course valid.)
•Normal if the message disappears after a while
(several seconds to several tens of seconds).
•Normal if it the message disappears after a few
seconds.
•This function is deactivated when the command
frequency becomes 0.2Hz or more higher than the
lower-limit frequency (LL) or when a command for
stopping operation is entered.
•To restart operation, reset the inverter or input an
operation signal again.
•To exit from the group, press the MODE key.
•To cancel learning, suspend it and set learning
parameters to .
•Brake signal output ( ,
the control output terminal.
•The brake function mode selection parameter
( ) is not set.
• Learning is performed while the load is lifted
•Check whether the learning operation for light-load
high-speed operation is performed correctly.
⇒ Refer to 6.16.
•Check the load.
•Check the motor constant setting.
• When this message is displayed, all the keys are
operational. To prohibit key operation again, turn
off the inverter and then turn it back on.
E6581301
) is not assigned to
13
" disappears as a