Special cleaning methods are necessary for individual procedures.
When a brush is used to clean sample cells, take extra care to avoid
scratches on the interior surfaces of the sample cells.
Replace the batteries
Replace the batteries when the battery power level is low. Refer to
Install the batteries
on page 7.
Troubleshooting
Error Description Solution
E-0 No zero In user calibration mode, a standard solution
was measured before the instrument zero was
set. Measure a blank solution to set the
instrument to zero.
E-1 Ambient light
error
1
There is ambient light in the cell holder. Make
sure that the instrument cap is fully installed
over the cell holder.
E-2 LED error
1
The LED (light source) is out of regulation.
Replace the batteries. Make sure that the LED
in the cell holder comes on when or is
pushed.
E-3
Standard adjust
error
• The measured value of the standard solution
is more than the adjustment limits. Prepare a
fresh standard.
•
The standard solution is not within the
concentration range that can be used for
standard calibration adjust. Prepare a
standard with a value at or near the
recommended concentrations given in the
procedure.
• Make sure that the concentration of the
standard solution is entered correctly.
E-6 Abs error The absorbance value is not correct or the
user-entered calibration curve has fewer than
two points. Enter or measure the absorbance
value again.
English 17
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