Tu
rbidity meter HU-200TB-W SS-120-W Operation procedure 8
(Error codes)
Error codes
De
scription of
error co
des
Err
or code
Descrip
tion o
f erro
r code
Remedial a
ction
E-41
(Z
er
o ca
libration er
ror)
D
ecr
ease in th
e amount of tr
ansmitted
light
C
lean
th
e measur
in
g
cell and tr
y zero calibr
atio
n
w
ith cle
an water
.
If
E-41 still occurs dur
ing
normal
ze
ro calibra
tion, cont
a
ct us.
E-43
Autom
atic zero calibr
ation
error
T
his er
ror
remains activated until
th
e next time zero calibration is
p
erfor
med proper
ly or ze
ro calib
ration is perfor
m
ed manually
. The
me
asur
ed tur
bidity value is o
utput by the pr
evious calibration
infor
m
atio
n and the tr
ansmission outp
ut is not held.
If
the criteria for st
ability of zero calibr
ation
are too str
ict,
calibr
ation may not be per
formed.
A
djust to the op
timum st
ability
level and
time
.
E-80
(S
enso
r connection e
rror
)
D
etect
or and converter
are d
isco
nnecte
d
C
heck the w
ire
co
nnect
ion be
tween the d
etecto
r and converter
.
T
he connection of the dete
ctor
is
alwa
ys monito
red. If connection
is made under
norma
l condition
s,
this err
or goes of
f “ Sensor
cable connection ” (p
age 27)
.
E-81
(Se
ns
or
me
mo
ry
e
rr
or)
Lo
ss of the content
s of t
he detector's
internal
me
mory
T
urn
OF
F the p
ower supply and turn
it ON again. If th
e sen
sor
me
mory err
or does not go
of
f e
ven w
hen the system is rest
arte
d,
cont
a
ct us.
E-82
(S
enso
r ADC er
ror
)
Malfunction of the A/D converte
r inside the
de
tector
C
ont
act us.
E-85
(C
leaner connection err
or)
C
leane
r is disconne
cted
C
heck the w
ire
co
nnect
ion be
tween the sensor an
d cleaner
, a
nd
cor
rect it t
o a normal condition.
E-90
(S
ys
tem er
ror)
C
onve
rter inter
nal communication
erro
r
T
urn
OF
F the p
ower supply and turn
it ON again.
If
the system err
or do
es no
t go of
f eve
n when the
syste
m
is
re
st
arted,
cont
act us.
E-91
(S
ys
tem er
ror)
Malfunction of the A/D converte
r
E-92
(S
ys
tem er
ror)
Lo
ss of the content
s of t
he memory
, such
as setting va
lues and calibr
atio
n values
