Fuji Electric FVR-C11S-7EN Series - Page 70

7-5 7 Troubleshootin
g
FVR-C11S-EN
7
7) Memor
y
error (Er1) CPU error (Er3)
Abnormal
displa
y
or indi-
cation
g
oes out
Memor
y
error Er 1 CPU error Er 3
Analo
g
frequen-
c
y
set to ne
g
ative
value?
Yes
Reset analo
g
fre-
quenc
y
to positive
value.
Turn power OFF then ON a
g
ain after CHARGE lamp has
g
one out.
Is data displa
y
ed
on LED?
No
Noise source
nearb
y
?
Yes
Remed
y
fault
y
parts.
Yes No
Inverter is normal.
Continue
operation.
Probabl
y
fault
y
inverter. Contact
Fuji Electric.
No