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| No motor
accelerates. |
Is monitor
mode
F-SET-M
set
to
AES
"Ope-key"?
]
NO
Is monitor
mode
F/R-SW
set
to
"Ope~key"?
YES
NO
Is normal
voltage
applied
between
No
Inverter
failure
©
and
®
on
Frequency
setting
PC board?
device
faulty
YES
Are
terminals
CF1-L,
YES
CF2-L on PC board
|S fopen, OOO
open?
Set
function
modes
""Speed-1" - '"Speed-3'
correctly.
Is monitor
mode
"FS"
NO
set
correctly?
Set
correctly.
YES
Is JG-L
on PC board
| NO
Spent
[opens
o
YES
Is function
mode
NO
NO:
Set
F-END
correctly.
VF1L-VC
preset
value
correct?
Is the
function
mode
F-END
preset
value
more
than VF1-VC
preset
value?
YES
Is the
setting
of function
mode "H-LIM-F" more
than
monitor mode "FS" preset
value?
Set
correctly.
YES
Isn't the load too heavy?
NO
Reduce
the
load
or adjust
the
overload
limit level by "OL.
LMT"
(VR) clockwise.
YES
Set the acceleration
time
YES) correctly.
Set
the
Fstop~T
to a longer
level.
Adjust
the
load
limit
level
by "OL.LMT"
(VR)
clockwise.
Isn't the acceleration
time
too
short
for
the
magnitude
of
load
GD2?
NO
Inverter
failure
Motor
rotation
is high.
Is function
mode
VF1-VC
set
correctly?
YES
Is function
mode
+
Fmax
set
correctly?
YES
Inverter
failure
Set
correctly.
Set
correctly.
-~ 97 -
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