Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 166)

Troubleshooting and fault elimination
Fault messages
9

166
EDSLCMX3024-SPS EN 5.0
Acknowledging
2)
Remed
y
Cau
se
Fault
Display
PS
C0043
24
V
S0
Display
Keypad (PC)
1)
Er252  (252)
Er252
mains
phase
Er
ro
ri
n
the
mains
phase
(is
only
generated
if
C0122
=
0)
z
M
ai
nsp
ha
se
so
nt
he
te
rm
in
al
s
in
vert
ed
(in
correct
direct
ion
of
ro
tation)
z
Co
nnect
mains
supply
in
correct
phase
relation
;
;
;
;
z
Fa
ilu
re
of
on
e/several
m
ain
s
phases
z
Check
m
ains
supply
Er253  (253)
Er253
mains
phase
Er
ro
ri
n
the
mains
phase
(is
only
generated
if
C0122
=
1)
z
Operation
w
ith
m
otor
with
mot
or
cu
rren
t<
1
A
z
Sw
itch
off
m
on
itorin
g
(C0122
=
3)
;
;
;
;
z
N
o
mo
to
rc
onnected
z
Co
nnect
mo
to
r
z
Sw
itch
off
m
on
itorin
g
(C0122
=
3)
Er254  (254)
Er254
motor
w
iring
Error
in
th
e
w
irin
g
on
th
e
m
otor
side
Short
circuit
in
motor
phases
Correct
w
irin
g
;
;
;
;
Er255  (255)
Er255
power
stage
Er
ro
ri
n
th
e
po
w
ers
ec
tio
n
z
Overvoltage,
e.g.
by
lightning
z
Re
place
m
otor
starter
;
;
;
;
h05  (105)
H05
int.
fault
System
failure
In
te
rn
al
error
Contact
Lenze
LP1  (32)
LP1
m
ains
failure
Mains
failure
Mains
voltage
<
AC
100
V
z
Check
m
ains
voltage
z
Check
fuses
;
;
;
;
OC1  (11)
OC1
sh
ort
circu
it
Short
circuit
z
Short
circuit
z
Overcu
rren
t(8
×
I r
)
z
Search
for
cause
of
short
circuit;
check
m
otor
cable
z
Check
brake
;
;
;
;
OC6  (16)
OC6
M
1
overload
Overload
of
motor
1
(is
only
generated
if
C0123
=
0)
z
Motor
is
overloaded
(I
2
t
overload)
by
impermissible
co
ntinuo
us
cur
re
nt
z
Check
dr
ive
dimensio
ning
;
;
;
;
z
Ra
te
d
m
ot
or
cu
rren
tin
correct
ly
set
in
C0120
z
Check
setting
of
C0120
1)
LECOM
error
number
2)
Possible
actions
to
acknowledge
a
fault
m
essage:
S0
m
ov
e
se
rv
ic
es
w
itc
ht
oO
FF
po
si
tio
n
an
da
ft
er
w
ar
dst
oO
Np
os
iti
on
24
V
sw
itc
ho
ff
24
Vs
up
pl
yv
ol
ta
ge
an
dt
he
no
na
ga
in
C0043
set
C0043
=
0
PS
for
at
lea
st
one
cycle
PRO
FI
sa
fe
bit
PS
_A
IE
=
1
3)
Ac
knowledg
ing
by
S0
possible
only
if
the
”safe
torque
off
(STO)”
function
is
not
activ
e,
”Stop”
LED
=
off