7-20
(9) Inverter overload and motor overload
(10) PG error
YES
NO
NO
NO
NO
Replace with wire of
recommended size.
Check shield treatment.
Replace PG.
Specify sensorless control
mode.
Adjust wiring.
Switch SW5.
PG error
P9
Inverter fault is suspected.
Contact FUJI.
NO
YES
YES
YES
Is sensroless control used
(function code P01 or A01)?
Is wiring from PG
disconnected?
Does wiring from PG meet
recommended wire size?
Is PG waveform normal?
Does power supply voltage
(specification) of PG and
power supply voltage
(15 or 12V switched by SW5)
of PGP match?
YES
NO
YES
NO
YES
Speed disagreement
Er9
Decrease load or increase
capacity.
Disable electronic thermal
relay and connect external
thermal relay.
Specify correct level.
Motor overload
OL1, OL2, and OL3
Readjust speed regulator
(such as ASR gain and
constant of integration).
YES
NO
Specify large value to ASR
input filter (function code
F64, C43, C53 or C63).
Is reference speed
fluctuating?
Inverter overload
OLU
Inverter fault is suspected.
Contact FUJI.
YES
NO
NO
NO
Do electronic thermal
relay characteristics
match motor overload
characteristics?
Are data for electronic
thermal relay (function
code F10 to 12, A32 to
A34 or A48 to A50)
correct?
Is load too heavy?
Is load fluctuation large
in operation though load
is not heavy?
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...