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Alarm Display
Digital
Operator
Flashing
Flashing
210
Inverter
Status
RUN (Green)
ALARM (Red)
Detected as
an alarm
only. Fault
contact out-
put is not ac-
tivated.
Description
OP
(Constant setting
error when constants are
set through MEMOBUS
communications)
OP1: Two or more val-
ues are set for
multi-function in-
put selection.
(constants n050
to n056)
OP2: Relationship
among V/f con-
stants is not cor-
rect. (constants
n011, n013,
n014, n016)
OP3: Setting value of
motor rated cur-
rent exceeds
150% of Inverter
Rated Current.
(constant n036)
OP4: Upper/lower limit
of frequency ref-
erence is re-
versed.
(constants n033,
n034)
OP5: (constants n083
to n085)
OP6: Multi-function An-
alog Inputs
(n077) and PID
Control Selection
(n128) are both
set to a value oth-
er than 0.
OL3 (Overtorque detec-
tion)
Motor current exceeded
the preset value in con-
stant n098.
SER (Sequence error)
Inverter received LO-
CAL/REMOTE com-
mand or communica-
tions/control circuit termi-
nal changing signals
from the multi-function
terminal while the Invert-
er output is ON.
Causes and Correc-
tive Actions
Check the setting val-
ues.
Reduce the load, and in-
crease the acceleration/
deceleration time.
Check the external cir-
cuit (sequence).
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