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8. ERROR MESSAGES
LCD Display
Indicates
Cause
Solution
Low battery
Need new
batteries
or battery
connection is bad.
Clean battery
contacts. Replace
batteries, noting
polarity.
“Err 1” in %
Saturation Mode
% Saturation
calibration error
Calibration is
attempted when
the factory
calibrated
absolute value is
within 10.1% to
49.9%
Check the value
of the calibration
solution. If zero
calibration is
done, make sure
the limit of 10%
is not exceeded
Recondition the
probe
“Err. 1” in
mg/L (ppm)
Concentration
Mode
Concentration
calibration error
Calibration is
attempted when
the factory
calibrated
absolute value is
below 2.00
Verify the
solution is above
2.00
Verify the
temperature and
salinity settings
Recondition the
probe
“UR”/“OR”
with blinking
“A” annunciator
in Temperature
Mode
ATC probe error,
Under Range,
Over Range
ATC probe is
disconnected
or broken with
the ATC feature
activated.
Temperature is
out of range
Connect the
ATC plug to the
meter. Verify
the temperature
accuracy.
Ensure probe is
not broken or
punctured.
“----”with
blinking “A”
annunciator in %
Saturation and
Concentration
Mode
ATC probe error
ATC probe is
disconnected
or broken with
the ATC feature
activated.
Temperature is
out of range
Connect the
ATC plug to the
meter. Verify
the temperature
accuracy.
Ensure probe is
not broken or
punctured.
