Section 6 Troubleshooting
Error Description User action recommendations Technical information including troubleshooting action
items (only for Service Operator)
Note: The following information lists the most likely error causes and
actions to be taken.
1. "+" means additional information shall be checked
2. ">" means action to be taken
3. Most likely action is listed first
4. If more than one action option is shown, first action is to be
taken. If problem persists, second action is to be taken,
and so on...
E-00 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.
Check user settings.
> Reset mainboard to factory settings.
E-01 Ambient light
error
There is ambient light in the cell
holder. Make sure that the
instrument cap is fully installed
over the cell holder. Refer to
Figure 6 on page 11.
System detects too much ambient light. Dark frequency is >
1000 Hz at light detector.
+ Check/read the service log for possible other error messages.
Check instrument cell compartment for possible ambient light
sources.
>Replace the cell compartment.
Check the instrument cap for possible defects.
> Replace the cap.
Check if light detection system is working
> Replace detector.
> Replace the mainboard on page 42
Note:
E-01
When an E-01 error occurs on a
measurement, the display shows
"_.__". The decimal place
depends on the chemistry. If the
E-01 error occurs while the
instrument is set to zero, set the
instrument to zero again.
E-02 LED error The LED (light source) is out of
regulation. Replace the batteries.
Make sure that the LED in the
cell holder comes on when 'read'
or 'zero' is pushed. Do the test
again. If the error continues,
contact technical support.
The LED light source control on mainboard is out of regulation.
+ Check/read the service log for possible other error messages.
Check if LED (or LED pin) is damaged.
> Replace LED
Check if pin contact of LED to mainboard is not appropriate or
mainboard connector pin is damaged.
> Replace the mainboard on page 42
E-03 Standard adjust
error
• The measured value of the
standard solution is more
than the adjustment limits.
Prepare a fresh standard.
Configuration or setting error of user. The measured value of
the standard solution is more than the adjustment limits.
+ Check/read the service log for possible other error messages.
Check user settings.
> Reset mainboard to factory settings.
>Replace the mainboard on page 42
• 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.
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