Swann Chematest 30, Руководство оператора

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Chematest 30
Troubleshooting
A-96.730.101 / 151118
23
8.2. Errors During Measurement
Measurement
cannot be
started
Error message: Operation not possible! Consult the manual.
Zero measure -
ment fails
Error message: Operation not possible! Signal out of range.
Consult the manual.
Measurement
fails
Error message: Operation not possible! Signal out of range.
Consult the manual.
Possible cause Corrective action
The instrument has lost its
calibration data (error
E003)

Send the instrument back to
Swan.
Possible cause Corrective action
Extraneous light

Make sure that the cuvette cap is
properly closed.
Cuvette dirty

Clean and rinse the cuvette.
Residues of reagents

Clean and rinse the cuvette.
Lenses dirty

Open the photometer
compartment and clean all
lenses, see Cleaning, p. 20 .
Turbid sample

Check sample / sampling point.

Repeat measurement.
Possible cause Corrective action
Extraneous light

Make sure that the cuvette cap is
properly closed.
Cuvette dirty

Clean and rinse the cuvette.
Concentration or pH value
outside the measuring
range of the instrument

Consult Instrument Specification,
p. 9 .

Repeat measurement.
Reagents expired

Use new reagents.
Measured value below
zero value

Avoid formation of bubbles when
filling the sample into the cuvette.

Repeat measurement.