Toshiba Tosvert VF-AS1 User Manual

Page 299

E6581301

M-5

(Continued)

Error

code

Problem

Possible causes

Remedies

ENT

Clear enabling
indication

•This message is displayed when

pressing the STOP key while an
error code is displayed.

• Input terminal RES signal is ON

during trip display.

•Press the STOP key again to clear the trip.

•Turn off the input terminal RES signal.

GQHH

Emergency stop
enabling
indication

•The operation panel is used to stop

the operation in automatic control
or remote control mode.

•Press the STOP key for an emergency stop. To

cancel the emergency stop, press any other key.

Setting error
alarm
An error code
and data are
displayed
alternately twice
each.

•An error is found in a setting when

data is reading or writing.

•Check whether the setting is made correctly.

DC braking

•DC braking in process

•The message goes off in several tens of seconds if

no problem occurs. [Note]

FDQP

Shaft fixing in
control

•Motor shaft fixing control is in

process.

•If the message disappears by stop command (ST-

CC open), it is normal.

G
G
G

Panel indication
overflow

•The digit number of the item

displayed, e.g., frequency, is in
excess of the specified digit
number.

(Number of overflowing digits is

indicated.)

•For indication of frequency, set multiplying rate

(H) lower. (Parameter setting that results in
overflow is of course valid.)

KPKV

Parameters in
the process of
initialization

•Parameters are being initialized to

default values.

•Normal if the message disappears after a while

(several seconds to several tens of seconds).

CVP

In auto-tuning 1

•Auto-tuning 1 in process.

•Normal if it the message disappears after a few

seconds.

NUVR

Auto-stop
because of
continuous
operation at the
lower-limit
frequency

•The automatic stop function of

is being performed.

•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.

UVQR

Momentary
power failure
slowdown stop
prohibition
function
activated.

•The deceleration stop function of

WXE

(regenerative power ride-

through control) is activated.

•To restart operation, reset the inverter or input an

operation signal again.

JGCF

GPF

Display of
first/last data
items

•First and last data in the CWJ

group.

•To exit from the group, press the MODE key.

VWP

During learning

•Learning for brake sequence

operation or light-load high-speed
operation is currently in progress.

•To cancel learning, suspend it and set learning

parameters H to .

VWP

Brake sequence
learning error

•Braking operation is not performed

normally.

•The load is too heavy.
•There are some operation errors.

•Brake signal output (, ) is not assigned to

the control output terminal.

•The brake function mode selection parameter

(H) is not set.

• Learning is performed while the load is lifted

VWP

Light-load high-
speed learning
operation error

•There are some errors in the

operation for learning for light-load
high-speed operation.

•Check whether the learning operation for light-load

high-speed operation is performed correctly.

⇒ Refer to 6.16.

VWP

Light-load high-
speed learning
overload error

• Learning operation for light-load

high-speed operation is performed
while the load is lifted.

•Motor constants (XN, XNX,

to H) are not

entered correctly.

•Check the load.
•Check the motor constant setting.

WPFQ

Key operation
permitted
temporarily

• This message appears if the

ENTER key is pressed and held
down for 5 seconds or more when
key operation is prohibited by
H

• 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.

Note: In the case of DC injection breaking ON/OFF function is selected for an input terminal; if “FD” disappears as a

result of open-circuit between the terminal and CC, it is normal.