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8 Troubleshooting
Category
Symptom
Illumination
Image is too dark
Light source is defective
The field of view is not
completely visible
Contrast is insufficient
Hotspot when
inspecting a semi-
translucent sample with
reflected light
Primotech | Document 430055-9044-008 V.1.0; 03 / 2014
8 Troubleshooting
The following table lists possible issues with Primotech and corresponding
remedies. If the suggestions do not resolve the issue, search the Online Help or
contact your ZEISS representative.
Remedy
Check the desired illumination type is on. If so, increase the
brightness (see Adjusting the Illumination Brightness [} 21]).
Check the polarizer and analyzer are inserted correctly. If so, rotate
the sample (see Performing Polarization Examinations with
Transmitted Light [} 37]).
Check the diaphragms are open sufficiently (see Adjusting the
Transmitted Illumination Size [} 23]).
Check the microscope stand is plugged in (see Assembling the
Microscope [} 15]).
Replace the light source (see Replacing the Light Source [} 43]).
Ensure the nosepiece is rotated into a click-stop position.
Change the height of the condenser (see Specifying the Condenser
Position [} 27]).
Adjust the opening of the aperture diaphragm (see Adjusting the
Resolution and Depth of Field [} 23]).
Adjust the opening of the luminous field diaphragm (see Adjusting
the Transmitted Illumination Size [} 23]).
Check the filters, polarizers, and/or compensators are inserted
correctly.
Perform Köhler settings again (see Adjusting the Köhler Illumination
[} 29]).
When using transmitted light, make sure that reflected light
illumination is turned off.
Cover or lower down the condenser in order to prevent it from
reflecting light (see Specifying the Condenser Position [} 27]).
49
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