7-9
2) Motor runs but does not change speed
Motor runs but does
not change speed.
Increase setting.
YES
Adjust wiring.
Speed reference setting
device, switch or relay
contact is defective
and replace it.
Inverter fault or
malfunction due to
noise is suspected.
Contact FUJI.
YES
NO
Change to times proper to load.
Change reference
speed.
NO
KEYPAD panel
YES
NO
YES
YES
YES
NO
Multistep speed setting
UP/DOWN setting
Specify speed.
Is the maximum speed
set to low?
Which means do you use to
set speed?
Is external circuit wiring
between X1 to X9 and COM
connected correctly?
Are acceleration/deceleration
times too long.
Is external wiring
between control
terminal 13, 12, and 11
connected correctly?
Does speed signal
(0 to
±
10V) change?
Are frequencies assigned to
individual selections of
multistep speed all different?
Analog input
NO
YES
NO
Can you press
or to
change speed?
NO
∧
∨
Summary of Contents for 5000VG7S Series
Page 7: ...0 6 Warning Label Position for Inside the Inverter...
Page 23: ...2 5 Basic Wiring Diagram Figure 2 3 1 Basic Wiring Diagram...
Page 36: ...2 18 l Control circuit terminals Control circuit terminals Screw size M3...
Page 94: ...9 4 FS5941 40 47 Figure 9 1 FS5941 60 52 FS5941 86 52 Figure 9 2...
Page 96: ...9 6 RF3280 F11 RF3400 F11 Figure 9 5 RF3880 F11 Figure 9 6 6 6 Figure 9 7 F200160...
