15.
ERRORS
If
a
failwe
occurs within the inverter dwing operation,
the
corresponding error
code
is automat-
ically
disprayed in the parameter unit.
15.1
Error
Codes and Contents
of
Errors
f.
bf
Fault
ol
mmwy
device
h
Ihe
invetter
where
(he
parameter
deta is sivred CPU
E
PE
f,
pf
h
extd
day
WBS
tripped. which
was
cmwt
to
drive
by
cmtmr.
E
OHT
fmf
Faun
of
the
brake
transistor in
the
inverter was
detected.
E
BE
[.&E
E
PUE The parameter unit was disconnected from
the
inverter.
frff
E
RET
Run-away
of
he
CPU.
E
CPU
E.CPU
Restarting was not
possible
wimin the
set
number
of
retries.
f,
cF
E
side
01
me
inverter. this tunctim
stops
UM
inverter output.
A
ground IauR occurring at
If
a ground lault current has flown due
to
a ground lault occurring in
tha
output
(bed)
low
wnd
resistance
may activale
me
overanent protection
(E1
lo
OC3).
Probidmi
lor
the
4M)V
class
mly.
f,GPf
E OPT
The number
of
retnes
has
besn exceeded dunng computer communication."
defecrive.
Now
The
ETHM
error occurs if current
150%
01
the
current
set
for
the
electronic
thermal
relay (R.9) flowed
the
nwbr
over
nn
extended
pew
d
bme.
II
'SA'
IS
set
lor Pr.9 (electronic thermal relay).
Ex-
5(A)
x
150(%)
=
7.5(%)
The
protecoive Iuncthn is acbvated by a current below
7.5A.
due
to
the
1'1
(h
lnverse
time
mp) charwleristic
d
me
buin-in electrmk
thermal
relay circuit.
(*)
This error is displayed in the emergency stop status established by selecting the
PU
STOP
key function in external operation is slopped by pressing this stop key during
external
operation and pressing the stop key.
(")
When using the option
FR-CU03,
this error will display on the following condition: during
error from exceeded retries during communication, exceeded interval
of
communication
time; retry execution during
normal
operation.
-42-
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