10 error messages – Thermo Fisher Scientific EcoScan DO 6 User Manual
Page 65
Instruction Manual
DO 6
57
10 ERROR
MESSAGES
LCD Display
Indicates Cause
Solution
Low
Battery
indicator
Low battery
level.
Need new batteries or
battery connection is
bad.
Clean battery contacts.
Replace batteries with
fresh ones, noting
polarity.
“Err 1” in %
Saturation Mode
% Saturation
Calibration
error
Calibration is
performed when factory
calibrated absolute
value is out of
calibration range –
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.
If message persist,
recondition your probe.
“Err. 1” in mg/L
(ppm)
Concentration
Mode
Concentration
Calibration
error
Calibration is
performed when the
calibration solution
factory absolute
measurement is below
2.00 mg/L or ppm
Check the calibrating
solution to be above 2
mg/L or ppm.
Check that the correct
temperature and salinity
setting has been set
prior calibration.
“UR”/”OR” with
blinking “A”
annunciator in
Temperature
Mode
ATC probe
error, Under
Range, Over
Range
ATC probe is removed
or broken while the
meter has the ATC
feature activated.
Check the probe’s
temperature input
phono jack connection
to the meter. Ensure
probe is not broken or
punctured.
“----“with blinking
“A” annunciator
in % Saturation
and
Concentration
Mode
ATC probe
error
ATC probe is removed
or broken while the
meter has the ATC
feature activated.
Check the probe’s
temperature input
phono jack connection
to the meter. Ensure
probe is not broken or
punctured.