YASKAWA VS MINI J7 Instruction Manual Page 100

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8. Fault Diagnosis
99
Detected as
an alarm only.
Fault contact
output is not
activated.
BB (External base-
block)
BASEBLOCK command
at multi-function terminal
is ON and the Inverter
output is OFF (motor
coasting). Condition is
cleared when input com-
mand is removed.
Check the external circuit
(sequence).
EF (Simultaneous
FWD/REV RUN
commands)
When FWD and REV
RUN commands are si-
multaneously input for
over 500 ms, the Inverter
stops according to con-
stant n04.
Check the external circuit
(sequence).
STP (Operator func-
tion stop)
was pressed dur-
ing running via a control
circuit terminal FWD/REV
command, or by a RUN
command from communi-
cations. The Inverter
stops according to con-
stant n04.
STP (Emergency
stop)
Inverter received emer-
gency stop alarm signal.
Inverter stops according
to constant n04.
Open FWD/REV com-
mand of control circuit ter-
minals.
Check the external circuit
(sequence).
FAN (Cooling fan
fault)
Cooling fan is locked.
Check the following:
• Cooling fan
• Cooling fan connec-
tion
CE (MEMOBUS
communications
fault)
Check the communication
devices or signals.
Alarm Display Inverter
Status
Description Causes and
Corrective Actions
Digital
Operator
RUN (Green)
ALARM (Red)
Flashing
or
Flashing
Flashing
Flashing
Flashing
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