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24. TROUBLESHOOTING
resuned W-An
Uw
s a t
me
inverter &rms
and stop
reby
anempk
C W rungvsy
The conneaion
d me
seciion
loose?
option
and inverter is
IWKVUed.
rET.
Retry c w n t over
number
d
retry
times
Is
me
connector
Replace
me
inverter.
CPU:
CPU error
Securely connect.
GF:
Ground faun
*
c h m l g e s e w l g
while Pr.75
I
14
lo 17.
*
Pr.75 value
PU stop
key
pl.sed
o:
stop
key f u n c ~
1nterral
data
data
and check lime
rstrles
are over
or
check
Srm
htenmb
is over
Correct communication
Checkcommunication
T l m e s d a m r m n i c a k m
OPT:
Option alarm
* Repeir
w a n d lauil
*
Is mete a ground
faun
Occurrence of ground
overcurrent
('2)
sec(ion.
in
motor or wire?
IaUn
on
output
side
N o t e s :
1.
'1. For the inverter e q u p p d with the optional brake resistor.
'2. Mounted on the 400 V class.
2. Error output is not given
ii
input voltage is low or momentary power interruption
occurs.
In these cases, however, the inverter is protected so that
the
inverter will
not be damaged. Depending on the operating status (magnitude
of
load, during
acceleratiodd/deceleration, etc.), the overcurrent protection function, etc. may be
actuated when the input power is restored.
- 1w-
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