Toshiba TOSVERT VF-PS1 Instruction Manual page 307

(Continued)
Error
code
/
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.
[Pre-alarm display]
Error
code
If two or more problems arise simultaneously, one of the following alarms appears and blinks.
,
The blinking alarms
13
Problem Possible causes
Auto-stop •The automatic stop function of
because of is being performed.
continuous
operation at the
lower-limit
frequency
Momentary power •The deceleration stop function of
failure slowdown (regenerative power
stop prohibition ride-through control) is activated.
function activated.
Display of •First and last data in the
first/last data group.
items
•This message appears if the
ENTER key is pressed and held
Key operation
permitted down for 5 seconds or more when
temporarily key operation is prohibited by
.
•The signal input via VI/II is below
Break in analog the analog signal detection level
signal cable set with
of is 1.
Description
Overcurrent pre-alarm Same as
Overvoltage pre-alarm Same as
Achieving PBR operation blink while PBR is operating is not
level an error.
Overload pre-alarm Same as
Overheat pre-alarm Same as
Communication error •Various transmission errors occur
when computer is linked up with
inverter system.
•Various transmission errors occur in
inverter to inverter communication
(slave side). Time-out or trip in master
side.
, , , ......,
, , , , are displayed in this order from left to right.
•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.
•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.
•Check the cables for breaks. And check the
setting of input signal or setting value of
and setting value and
Possible causes
(Overcurrent)
(Overvoltage)
and (Overload)
(Overheat)
M-6
E6581386
Remedies
.
" disappears as a
Remedies
Same as (Overcurrent)
Same as (Overvoltage)
blink while PBR is operating is not
an error.
Same as and (Overload)
Same as (Overheat)
•For measures to correct various kinds
of data transmission errors, refer to
the instruction manual for the
communications device used
specified in Section 6.36.
•Check the master inverter.