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Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 23/03/2011
6.3 Error handling of malfunction indication of OV.LV
Inverter di
s
play OV.LV
S
witch ON
power
s
upply
I
s
the output
fre
q
uency of controller
di
s
played
Detail examination i
s
re
q
uired.
The inverter i
s
out of order.
I
s
there
any abnormal brea
k
age
on appearance
Input operation
in
s
truction
Replace defective board
NO
NO
I
s
there any
malfunction indication
Input fre
q
uency
in
s
truction
I
s
there
output voltage on T1, T2,
and T3 terminal
s
?
Connect motor. I
s
the
motor operating?
I
s
there any malfunction
indication?
I
s
output
current of all pha
s
e
s
in
balance condition.
The inverter i
s
normal now.
Replace control board
Replace control board
Replace control board
I
s
the problem
corrected by replacing
control board?
YE
S
YE
S
NO
YE
S
YE
S
NO
YE
S
NO
YE
S
NO
RVDF Advanced User Manual