(blink-
ing)
Over-
torque
Det
1
Overtorque 1
There
has
been
a
current
greater
than
the
setting
in
L6-02
for
longer
than
the
setting
in
L6-03.
-
•Make
sure
that
the
settings
in
L6-02
and
L6-03
are
appropriate.
•Check
the
mechanical
system
and
correct
the
cause
of
the
overtorque.
(blink-
ing)
Over-
torque
Det
2
Overtorque 2
There
has
been
a
current
greater
than
the
setting
in
L6-05
for
longer
than
the
setting
in
L6-06.
-
•Make
sure
that
the
current
setting
in
L6-05
and
time
setting
in
L6-06
are
appropriate.
•Check
the
mechanical
system
and
correct
the
cause
of
the
overtorque.
(blink-
ing)
Under-
torq
Det
1
Undertorque 1
There
has
been
a
current
less
than
the
setting
in
L6-02
for
longer
than
the
setting
in
L6-03.
-
•Make
sure
that
the
settings
in
L6-02
and
L6-03
are
appropriate.
•Check
the
mechanical
system
and
correct
the
cause
of
the
overtorque.
(blink-
ing)
Under-
torq
Det
2
Undertorque 2
There
has
been
a
current
less
than
the
setting
in
L6-05
for
longer
than
the
setting
in
L6-06.
-
•Make
sure
that
the
current
setting
in
L6-05
and
time
setting
in
L6-06
are
appropriate.
•Check
the
mechanical
system
and
correct
the
cause
of
the
overtorque.
(blink-
ing)
Over-
speed
Det
Overspeed
The
speed
has
been
greater
than
the
setting
in
F1-08
for
longer
than
the
setting
in
F1-09.
Overshooting/undershooting
are
occurring.
Adjust
the
gain
again.
The
reference
speed
is
too
high.
Check
the
reference
circuit
and
refer-
ence
gain.
The
settings
in
F1-08
and
F1-09
aren't
appropriate.
Check
the
settings
in
F1-08
and
F1-09.
(blink-
ing)
PG
Open
The PG is disconnected
The
Inverter
is
outputting
a
frequency,
but
PG
pulses
aren't
being
input.
There
is
a
break
in
the
PG
wiring. Fix
the
broken/disconnected
wiring.
The
PG
is
wired
incorrectly. Fix
the
wiring.
Power
isn't
being
supplied
to
the
PG. Supply
power
to
the
PG
properly.
(blink-
ing)
Speed
Devia-
tion
Excessive Speed Deviation
The
speed
deviation
has
been
greater
than
the
setting
in
F1-10
for
longer
than
the
setting
in
F1-11.
The
load
is
too
large. Reduce
the
load.
The
acceleration
time
and
decelera-
tion
time
are
too
short.
Lengthen
the
acceleration
time
and
deceleration
time.
The
load
is
locked. Check
the
mechanical
system.
The
settings
in
F1-10
and
F1-11
aren't
appropriate.
Check
the
settings
in
F1-10
and
F1-11.
Opt
External
Flt
External error detected for Com-
munications Card other than SI-K2
Continuing
operation
was
specified
for
EF0
(F6-03
=
3)and
an
external
fault
was
input
from
the
Option
Card.
- Remove
the
cause
of
the
external
fault.
Table 7.2 Alarm Displays and Processing (Continued)
Display Meaning Probable causes Corrective Actions