9
EC170-EU-EN V1.1 7/13
Maintenance
Keep
the
meter’s
measurement
electrode
clean
.
Between
measurements,
rinse
the
electrode
with
deionized
or
distilled
water.
If
the
electrode
has
been
exposed
to
a
solvent
immiscible
in
water,
clean
it
with
a
solvent
miscible
in
water,
e.g.
Ethanol,
and
then
rinse
carefully
with
water.
Store
the
electrode
carefully.
Before
storing,
rinse
carefully
in
deionized
or
distilled
water
and
store
dry.
Troubleshooting
Power
ON
is
attempted
but
there
is
no
display
Be
sure
to
press
the
ON
‐
OFF
button
for
at
least
100mS
to
switch
the
meter
ON.
Check
that
batteries
are
positioned
correctly,
making
good
contact,
and
correct
polarity.
Replace
the
batteries
if
necessary.
Remove
and
replace
the
existing
batteries.
Display
switches
OFF
This
is
normal
when
Auto
Power
OFF
is
activated.
Replace
the
batteries
if
necessary.
Air
Bubbles
adhered
to
Electrode
Stir
the
electrode
completely
and
be
sure
to
dip
the
electrode
into
a
solution
at
an
oblique
angle.
Vertical
dipping
can
cause
many
air
bubbles
to
adhere.
Gently
tap
the
bottom
of
the
solution
container
while
stirring
the
electrode
in
the
solution.
Air
can
be
blown
across
the
electrode
before
dipping
it
into
the
solution.
Error
Codes
Refer
to
the
Table
below
for
details
on
Error
Codes
displayed
by
the
meter.
Code
Description
Suggestions
SALINITY
ERRORS
‐‐‐‐‐
Measurement
outside
of
range
In
Manual
Range
mode,
press
and
hold
the
up
arrow
for
2
seconds
to
change
range
or
use
the
Auto
Range
mode
E03
Salinity
is
over
‐
range
Check
against
a
standard
buffer
solution.
If
problem
persists,
repair
meter
E04
Temperature
error
Repair
meter
TEMPERATURE
ERRORS
E01
Temperature
circuit
damaged
Repair
meter
E02
Temperature
value
is
below
allowable
range
or
Temperature
circuit
damage
Check
again
at
room
temperature.
If
error
persists,
repair
meter
E03
Temperature
value
is
above
allowable
range
or
Temperature
circuit
damage
Check
again
at
room
temperature.
If
error
persists,
repair
meter
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