7-8
(2) V/f control
1) Motor does not run.
Motor does not run.
Remove cause of
alarm and restart
after resetting alarm.
Continue operation if
you see no problems.
NO
Turn on circuit
breaker or magnetic
contactor.
NO
YES
NO
KEYPAD
panel
Control
circuit
terminals
NO
Inverter fault is
suspected.
Contact FUJI.
NO
Adjust wiring.
NO
Too heavy load locks motor.
Decrease load.
Check if brake is released
when mechanical brake is installed.
Motor is defective.
YES
NO
Push to set
frequency.
NO
Check for low voltage,
phase loss,
defective connection
or poor contact
to take correct
measure.
NO
Connect DC
REACTOR
or jumper wire.
NO
Inverter fault is
suspected.
Contact FUJI.
Switch or relay is
defective.
Replace it.
YES
Adjust wiring.
NO
Speed reference setting
device, switch or relay
contact is defective
and replace it.
Specify correct speed.
Increase torque
boost value.
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
YES
YES
NO
NO
YES
NO
YES
YES
NO
Are charge lamp
(CHG) and LCD of
KEYPAD panel ON?
Does LCD show
alarm mode screen?
Which do you use to
enter operation
command,
KEYPAD panel or
control circuit
terminals?
Is forward/reverse
operation command
specified?
Is circuit breaker or
magnetic contactor
turned on?
Is voltage on main
circuit power
terminals (L1/R, L2/
S, L3/T) normal?
Is DC REACTOR or
jumper wire
connected between
terminal P1 and P(+)?
Is external circuit
wiring between control
terminal FWD and
COM and between
REV and COM
connected correctly?
Is external circuit
wiring for control
terminal 11, 12, and
13 and between X1 to
X9 and COM when
you specify multistep
speed connected
correctly?
Is speed reference
specified?
Is specified speed
lower than start
speed?
Is voltage present on
inverter output
terminals (U, V, W)?
Is wiring to motor
connected correctly?
Is load too heavy?
Is correct torque
boost value (function
code A46) specified?
Does motor run
when you push
FWD or REV?
Does motor run
when you
push ?
∧
∧
Содержание 5000VG7S Series
Страница 7: ...0 6 Warning Label Position for Inside the Inverter...
Страница 23: ...2 5 Basic Wiring Diagram Figure 2 3 1 Basic Wiring Diagram...
Страница 36: ...2 18 l Control circuit terminals Control circuit terminals Screw size M3...
Страница 94: ...9 4 FS5941 40 47 Figure 9 1 FS5941 60 52 FS5941 86 52 Figure 9 2...
Страница 96: ...9 6 RF3280 F11 RF3400 F11 Figure 9 5 RF3880 F11 Figure 9 6 6 6 Figure 9 7 F200160...