( 4 ) Under-voltage
J-
F--l
I
“-3
and
Has power
fallu
Has the power
clrcult
been
Yes
Replace the
sublected
to
-
defective
compo-
component
iallure
nent or
repalr
the
or poor power poor
connectlon
connection?
No
Is the power
voltage within the
No
range of the
specified
value?
Yes
+
Does another load
1
exist
which
Investigate
the
requires a large
Yes
power system and
starting
current
-
revamp to satisfy
wlthln
the same the system
power system?
speclflcatlon
No
T
1
No
Is the
main
DC
crrcurt voltage
(between
(+)
and
(-)) below the
lower limit voltage
value?
Possible
Drive
control circuit or
noise
related
mis-
operation
Contact General
Electric
Company
I I
Note 1 -When the DC bus capacitor
IS
d&charged by a system power fatlure and the control power of the Drive
IS
reduced,
automatic restart after momentary power outage may take place
(Refer to Funtlon Code 10 setting )
When the Function Codes 82, 83, 84 and 85 are selected, no resetflng
IS
required
After the power
IS
restored, automatic restart
WIII
begin The length of time of the power ride thru
WIII
be determmed by
Drive rating
8-5
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