Jenway 7305 - Manual (Page 44)

10.2 tRoUBLeSHootinG GUiDe
issue Solution
Unable to achieve zero Ensure that there is not a sample in the sample chamber.
absorbance or 100% Ensure the instrument lid is closed before and during the calibration.
transmittance when Ensure the lamp is working – if the lamp has failed replace the lamp
calibrating (7300) or lamp module (7305).
Unable to achieve a reading Ensure the correct cuvette is being used so that light isn’t being
when measuring a sample absorbed by the cuvette.
Ensure the sample isn’t too dense that light is not transmitted through
the sample.
Ensure the lamp is working.
Unable to print results using Ensure internal printer selected in autolog menu.
the internal printer
Ensure there is paper in the unit.
Ensure there is a result displayed on screen.
The measure sample icon
A calibration must be performed at the new wavelength. When the
disappears after changing calibration is complete the measure sample icon will be displayed.
the wavelength
10.3 technical Support
Jenway have a dedicated Technical Support team made up of experienced scientists who are on
hand to help with any applications advice and questions you may have about our products and
how to use them. If you require any technical or application assistance please contact the team at:
e-mail: [email protected].
Phone: +44 (0)1785 810433
Fax: +44 (0)1785 810405
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