Nova-Tech DO 6+ - Manual (Page 38)

Instruction Manual DO 6+
- 32 -
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 your 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 your 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.