Other Fault Troubleshooting - Toshiba TOSVERT VF-A5 Instruction Manual

11.2 Other Fault Troubleshooting
Perform the following checks if other faults occur.
The motor does not
run.
Is
n
0 FF
displayed?
Is
,0
OF F
displayed?
y
Is
OFF
displayed?
y
Is a fault message
displayed? Refer to
page 129.
-
Y e s -
No -----•
Check the input
power and MCCB.
1---------i
Is the input power
correct?
Use a properly-rated
power source.
G)
Is the CHARGE
lamp lit?
Open the
cover.
Turn the power off.
Wait for the CHARGE lamp to completely turn off. (Wait for five minutes after it has gone out.)
Turn on only the control power with the main circuit power turned off. (Refer to page 18.)
~
Is 24Vdc being
output between
P24-CC?
@
Is the operating
panel correctly
inserted in the
connector?
There is a fault in the
inverter.
Turn off the
control power.
Insert the
operating
panel
correctly.
The main circuit power supply
voltage is insufficient. Check the
wiring from the input voltage or
DCL, etc. The input voltage can
be checked in status monitor
mode (refer to section 7.3.2).
Is FU1 on the terminal
block PCB intact?
P24 may be externally
short circuited.
Is the flat cable between • .,... Check that the flat cable
the terminal block PCB is inserted in the correct
and control PCB direction.
correctly inserted?
~-----~
Has the internal cover
holding the control PCB
been removed in the
past?
There is a fault in the
inverter.
Is the flat cable - .... Check that the flat cable
connecting the control is inserted in the correct
PCB and main circuit direction.
PCB or power supply .._ _ _ _ _ _ ___,
PCB correctly inserted?
There is a fault in
The control power voltage is insufficient. the inverter.
ST-CC is open. Close it.
Investigate and remove the cause of the fault. Then press
the ISTOP/RESETI key on the operating panel, and confirm
that
CL
r
is displayed. Then press ISiOP/RESETI again.
~------------
If
r
I::,-
~and a fault display
are alternately displayed.
Retry is being executed. The retry function
can be stopped with the stop/emergency
stop operation or by turning the power off.
~------±---------------------------------------------------,
Is :
O.O
displayed?
Is the "PANEL CONTROL"
--~Press
the
I
PANEUREMOiE I key.
I
LEDlit?
I
1s the frequency set?
If one or all of the eight operating panel keys do not
function, refer to page 89, and set IPf":Odl.
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