!

 

 

 

 

 

 

E6581301!

 

 

 

(Continued overleaf)

 

 

 

 

 

 

 

 

(Continued)

 

 

 

 

 

 

 

 

 

 

Parameters in

•Parameters are being initialized to

•Normal if the message disappears after a while

 

 

 

 

￿￿￿￿￿

the process of

default values.

(several seconds to several tens of seconds).

 

 

 

 

 

 

initialization

 

 

 

 

 

 

 

 

￿￿￿￿

In auto-tuning 1

•Auto-tuning 1 in process.

•Normal if it the message disappears after a few

 

 

 

 

 

 

 

 

 

seconds.

 

 

 

 

 

 

 

Auto-stop

•The automatic stop function of

•This function is deactivated when the command

 

 

 

 

 

 

because of

￿￿￿￿ is being performed.

frequency becomes 0.2Hz or more higher than the

 

 

 

 

￿￿￿￿￿

continuous

 

 

lower-limit frequency (LL) or when a command for

 

 

 

 

operation at the

 

 

stopping operation is entered.

 

 

 

 

 

 

lower-limit

 

 

 

 

 

 

 

 

 

 

frequency

 

 

 

 

 

 

 

 

 

 

Momentary

•The deceleration stop function of

•To restart operation, reset the inverter or input an

 

 

 

 

 

 

power failure

￿￿￿ (regenerative power

operation signal again.

 

 

 

 

￿￿￿￿￿

slowdown stop

ride-through control) is activated.

 

 

 

 

 

 

 

 

prohibition

 

 

 

 

 

 

 

 

 

 

function

 

 

 

 

 

 

 

 

 

 

activated.

 

 

 

 

 

 

 

 

￿￿￿￿/

 

Display of

•First and last data in the ￿￿￿

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

 

 

 

 

￿￿￿￿

 

first/last data

group.

 

 

 

 

 

 

 

 

items

 

 

 

 

 

 

 

 

 

 

 

•Learning for brake sequence

•To cancel learning, suspend it and set learning

 

 

 

 

￿￿￿￿

During learning

operation or light-load high-speed

parameters ￿￿￿￿ to ￿.

 

 

 

 

 

 

 

operation is currently in progress.

 

 

 

 

 

 

 

 

 

•Braking operation is not performed

•Brake signal output (￿￿, ￿￿) is not assigned to

 

 

 

 

 

 

Brake sequence

normally.

the control output terminal.

 

 

 

 

￿￿￿￿￿

•The load is too heavy.

•The brake function mode selection parameter

 

 

 

 

 

 

learning error

•There are some operation errors.

(￿￿￿￿) is not set.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•Learning is performed while the load is lifted

 

 

 

 

 

 

Light-load

•There are some errors in the

•Check whether the learning operation for light-load

 

 

 

 

￿￿￿￿￿

high-speed

operation for learning for light-load

high-speed operation is performed correctly.

 

 

 

 

 

 

learning

high-speed operation.

￿ Refer to 6.16.

 

 

 

 

 

 

operation error

 

 

 

 

 

 

 

 

 

 

 

•Learning operation for light-load

•Check the load.

 

 

 

 

 

 

Light-load

high-speed operation is performed

•Check the motor constant setting.

 

 

 

 

￿￿￿￿￿

high-speed

while the load is lifted.

 

 

 

 

 

 

learning

•Motor constants (￿￿, ￿￿￿,

 

 

 

 

 

 

 

 

overload error

￿￿￿￿ to ￿￿￿￿) are not

 

 

 

 

 

 

 

 

 

entered correctly.

 

 

 

 

 

 

 

 

 

•This message appears if the

•When this message is displayed, all the keys are

 

 

 

 

 

 

Key operation

ENTER key is pressed and held

operational. To prohibit key operation again, turn

 

 

 

 

￿￿￿

￿

permitted

down for 5 seconds or more when

off the inverter and then turn it back on.

 

 

 

 

 

 

temporarily

key operation is prohibited by

 

 

 

 

 

 

 

 

 

￿￿￿￿.

 

 

 

 

 

 

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

 

 

 

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

 

 

 

 

 

 

[Pre-alarm display]

 

 

 

 

 

 

 

 

Error

 

Description

Possible causes

 

Remedies

 

 

 

 

code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

￿￿

 

Overcurrent pre-alarm

Same as ￿￿ (Overcurrent)

 

Same as ￿￿ (Overcurrent)

 

 

 

 

￿￿

 

Overvoltage pre-alarm

Same as ￿￿ (Overvoltage)

 

Same as ￿￿ (Overvoltage)

 

 

 

 

 

 

Achieving PBR operation

￿ blink while PBR is operating is not

￿ blink while PBR is operating is not

 

 

 

 

 

 

level

 

an error.

 

an error.

 

 

 

 

￿￿

 

Overload pre-alarm

Same as ￿￿￿ and ￿￿￿ (Overload)

Same as ￿￿￿ and ￿￿￿ (Overload)

 

 

 

 

￿￿

 

Overheat pre-alarm

Same as ￿￿ (Overheat)

 

Same as ￿￿ (Overheat)

 

13

 

 

￿￿

 

Communication error

•Various transmission errors occur

•For measures to correct various kinds

 

 

 

 

 

 

 

when computer is linked up with

of data transmission errors, refer to

 

 

 

 

 

 

 

 

inverter system.

 

the instruction manual for the!

 

 

 

 

 

 

 

 

•Various transmission errors occur in

communications device used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

inverter to inverter communication

specified in Section 6.42.

 

 

 

 

 

 

 

 

(slave side). Time-out or trip in master

•Check the master inverter.

 

 

 

 

 

 

 

 

side.

 

 

 

If two or more problems arise simultaneously, one of the following alarms appears and blinks.

￿￿, ￿￿, ￿￿, ￿￿￿, ……, ￿￿￿￿

The blinking alarms ￿, ￿, ￿, ￿, ￿￿are displayed in this order from left to right.

M-6

Page 317
Image 317
Toshiba VF-AS1 instruction manual E6581301