Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 167)

Troubleshooting and fault elimination
Fault messages
9

167
EDSLCMX3024-SPS EN 5.0
Acknowledging
2)
Remed
y
Cau
se
Fault
Display
PS
C0043
24
V
S0
Display
Keypad (PC)
1)
OC7  (17)
OC7
M
2
overload
Overload
of
motor
2
(is
only
generated
if
C0123
=
0)
z
N
o
mo
to
rc
onnected
z
Co
nnect
mo
to
r
z
Sw
itch
off
m
on
itorin
g
(C0123
=
3)
;
;
;
;
OH  (50)
OH
ho
using
temp.
Temper
atur
e
in
the
ho
using
>
+80
°C
Bad
ventilation
Ambient
temperature
too
high
z
Allow
m
otor
starter
to
cool
an
d
pr
ovide
for
a
better
ventilation
z
Reduce
ambient
temperature
;
;
;
;
OH  (-)
OH
ho
using
temp.
Temper
atur
e
in
the
ho
using
>
+75
°C
Heat
sin
k
very
dirt
y
Clean
heatsink
;
;
;
;
Impermissibly
high
cu
rren
tor
fr
equent
and
to
o
lo
ng
acceler
atio
n
processes
z
Check
dr
ive
dimensio
ning
z
Check
load,
if
required,
replace
ro
ugh
-r
unning
defective
bearings
OH3  (53)
OH3
M1
temperature
Temperatu
re
of
m
otor
1
too
hi
gh
(is
only
generated
if
C0119/2
=
1)
z
Mo
to
rt
oo
ho
td
ue
to
impermissible
high
currents
or
to
fr
equent
and
to
o
lo
ng
acceleration
processes
z
Check
dr
ive
dimensio
ning
†
3)
;
;
;
OH4  (54)
OH4
M2
temperature
Temperatu
re
of
m
otor
2
too
hi
gh
(is
only
generated
if
C0119/2
=
1)
†
3)
;
;
;
OH51  (203)
OH51
M
1
temper
atur
e
Temperatu
re
of
m
otor
1
too
hi
gh
(is
only
generated
if
C0119/2
=
2)
z
No
PTC
or
th
ermal
con
tact
connected
z
Co
nnect
PT
C
or
ther
m
al
contact,
or
switch
off
mo
nito
ring
;
;
;
;
OH52  (204)
OH52
M
2
temper
atur
e
Temperatu
re
of
m
otor
2
too
hi
gh
(is
only
generated
if
C0119/2
=
2)
;
;
;
;
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