
Care, maintenance and trouble-shooting
Carl Zeiss Troubleshooting Axiostar plus
4-6 B 40-815 e 12/01
Problem Cause Remedy
Image aberration Condenser not set correctly Set condenser correctly,
see p. 3-3, 3-4, 3-5
Nosepiece not correctly switched
to stop position
Correctly click-stop nosepiece
Specimen is not fixed on the
mechanical stage
Correctly set specimen in
specimen holder and fix it
Great focus differences after
objective change
Focusing eyepieces are not set
correctly
Set focusing eyepieces to the
appropriate ametropia, see p.
2-11 and 2-12
Left and right fields of view
cannot be combined into an
image
Interpupillary distance of the
binocular tube is not set correctly
Set interpupillary distance
correctly, see p. 2-12
Focusing eyepieces are not set
correctly
Set focusing eyepieces to the
appropriate ametropia,
see p. 2-11 and 2-12
Eye-fatiguing microscopy Interpupillary distance of the
binocular tube is not set correctly
Set correct interpupillary distance,
see p. 2-12
Focusing eyepieces are not set
correctly
Set focusing eyepieces to the
appropriate ametropia,
see p. 2-11 and 2-12
Image brightness not acceptable Reduce lamp voltage or insert
conversion filter
Dirt or dust in the field of
view
Condenser not focused correctly Focus condenser,
see p. 3-3, 3-4, 3-5
Aperture diaphragm opening too
small
Set aperture diaphragm opening
in accordance with the 2/3 rule
or depending on the specimen
features, see p. 3-5
Dirt or dust on the optical surfaces
of objectives, eyepieces,
condensers, filters or specimens
Clean the optical surfaces of the
appropriate components,
see p. 4-2
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