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SECTION 8
8.1 Error Codes
Error Code
E-1
Data error in the non-volatile memory.
E-3
Failure to correctly store a reading.
E-9
Failure to correctly retrieve a reading that
was stored earlier.
E-10
Sample temperature is out of range
(0 to 50 °C).
8.2 Meter Service Request Questionnaire
TROUBLESHOOTING
Error codes inform the user of an out-of-range value or meter
problem. Table 6 outlines the operator assistance codes available
in the meter series.
Table 6
Error Type
Note: To display the electric current coming from the dissolved oxygen
electrode, press the
1. What is the complete lot code of the meter and electrode?
2. On what date was the meter purchased?
3. How long has the meter been in use?
4. What types of samples are being tested?
5. What is the temperature of the samples being tested?
6. How often is the meter being used?
7. How is the meter being stored between uses?
8. If the meter has been in use for a while, what maintenance
has been performed?
9. Describe the suspected problem or failure of the meter.
10. Please have your meter, electrode, buffers/standards, and this
completed questionnaire near the phone before calling
technical support.
63
Possible Remedy
Turn off the meter, then turn it on
again.
Call Service. Meter cannot store data
in at least one location, but is
otherwise functional.
Call Service.
NA
and
keys simultaneously.
READ
CONC %
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