6-3
Alarm Display
Digital RUN (Green)
Drive
Explanation
Causes and
Operator ALARM (Red)
Status Corrective Actions
BB (External baseblock) Check the external circuit
Baseblock command at (sequence).
multi-function terminal is
active, the drive output
Blinking is shut OFF (motor coasting).
Temporary condition is
cleared when input command
is removed.
EF (Simultaneous FWD/ Check the external circuit
REV run commands) (sequence).
When FWD and REV
run commands are
Blinking simultaneously input
for over 500ms, the
drive stops according
Warning
to parameter n005.
only. STP (Operator function Open FWD/REV
Fault stop) command of control
contacts circuit terminals.
do not
is pressed
change during running by the
state. control circuit terminals
FWD / REV command.
The drive stops according
Blinking to parameter n005.
STP (Emergency stop) Check the external circuit
Drive receives emergency (sequence).
stop alarm signal.
Drive stops according
to parameter n005.
Protective When under torque is Parameter n118 up to the
operation. detected, drive performs lowest value allowed for
Output is operation according to the the machine.
shut OFF preset setting of constant
and motor n117.
coasts to
a stop.
FAN (Cooling fan fault) Check the following:
Cooling fan is locked. • Cooling fan
• Cooling fan wiring is not
Blinking connected.
Warning. UL3 (Under torque detection) Load (output current or
Fault output torque) is too low.
contacts do
not change
state.
V/f mode: Drive output
current fell below the preset
Blinking value in parameter n118. Check the driven machine
Vector mode: Motor current and correct the cause of
or torque fell below the the fault, or decrease the
preset value in parameter value of parameter n118
n097 and n118.
Protective GF (Ground Fault) A Ground Fault occurred
operation. The ground fault current at at the Inverter Output.
Output is the drive output exceeded
(Note 1) shut OFF approximately 50% of the Reset fault after correcting
and motor inverter rated output current. its causes.
coasts to
a stop.
Table 6-1. Alarm Displays and Corrective Actions
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