Fuji Electric FVR-C11S-7EN Series - Page 76

7-11 7 Troubleshootin
g
FVR-C11S-EN
7
4) When motor
g
enerates abnormal heat
Motor
g
enerates abnor-
mal heat
V/f pattern fitted to mo-
tor?
No
Chan
g
e the settin
g
.
Yes
Motor been
continuousl
y
operated
at extremel
y
low
speed?
Yes
Use motor exclusive to
inverter.
No
Load excessive?
Yes
Li
g
hten load or in-
crease motor capacit
y
.
No
Is the output volta
g
e
(at terminals U,V,W)
balanced?
Yes
Fault
y
motor.
No
Probabl
y
fault
y
inverter.
Contact Fuji Electric.