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Omron VARISPEED V7 User Manual

Omron VARISPEED V7
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200
Flashing
Detected as
an alarm
only. Fault
contact out-
put is not
activated.
OL3 (Overtorque detec-
tion)
Motor current exceeded the
preset value in constant
n098.
Overtorque detection level
was exceeded because of in-
creased leak current due to
excessively long wiring.
Reduce the load, and
increase the accelera-
tion/deceleration time.
Refer to the paragraph
of Carrier Frequency
Selection (n080)14kHz
max on page 94.
Check the wiring
(increase of current
caused by rare shortcir-
cuit, etc.).
Flashing
SER (Sequence error)
Inverter received Local/Re-
mote Command or communi-
cations/control circuit terminal
changing signals from the
multi-function terminal while
the Inverter output is ON.
Check the following:
NO/NC contact selection
(constant).
Wiring is made properly.
Signal is not input from
the PLC.
Flashing
UL3 (Undertorque de-
tection)
When V/f mode is selected:
The Inverter’s output current
was less than the under-
torque detection level (n118).
When vector mode is select-
ed: The output current or out-
put torque was less than the
detection level (n097 or
n118).
Operation when undertorque
is detected will be determined
by the setting in n117.
Check the setting in
n118.
Check the operating con-
ditions, and remove the
cause.
Alarm Display Inverter
Status
Description Causes and
Corrective Actions
Digital
Operator
RUN (Green)
ALARM (Red)

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Omron VARISPEED V7 Specifications

General IconGeneral
BrandOmron
ModelVARISPEED V7
CategoryInverter
LanguageEnglish

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