YASKAWA Varispeed V7 - Page 213

212
Detected as
an alarm
only. Fault
contact out-
put is not ac-
tivated.
UL3 (Undertorque detec-
tion)
When V/f mode is select-
ed: The Inverter’s output
current was less than the
undertorque detection
level (n118).
When vector mode is se-
lected: The output cur-
rent or output 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
conditions, and
remove the cause.
OH3 (Inverter overheat
alarm)
The Inverter overheat
alarm (OH3) was input
from a multi-function input
terminal (S1 and S7).
• Clear the multi-func-
tion input terminal’s
Inverter overheat
alert input.
Alarm Display Inverter
Status
Description Causes and Correc-
tive Actions
Digital
Operator
RUN (Green)
ALARM (Red)
Flashing
Flashing
or