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.
-
Yes-
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.
-109-
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