Zeiss Axio Examiner, Operating Manual, Page: 85 / 96

CARE, MAINTENANCE, TROUBLESHOOTING AND SERVICE
Axio Examiner Trouble shooting Carl Zeiss
M60-2-0003 e 05/2012 85
Problem Cause Correction
Asymmetric lack of image
definition, e.g., one side in focus,
and the other side out of focus. Condenser not set correctly. Set the condenser correctly,
see page 58 and the following.
Objective not lowered to its working
position.
Lower the objective to its working
position.
Specimen not clamped on the
mechanical stage. Insert and clamp the specimen
correctly in the specimen holder.
Major focus differences during
objective exchange. Focusable eyepieces are not adjusted
correctly. Adjust the focusable eyepieces to the
eye deficiencies,
see page 56.
Objective not screwed in up to the
stop face.
Screw in the objective up to the stop.
Tube lens either not installed, or
installed unnecessarily. Either reinstall the tube lens, or
remove a redundant tube lens.
Unable to combine the left-hand
and right-hand visual fields into a
single image. Eyepiece distance (interpupillary
distance) not set correctly at the
binocular tube. Adjust the eyepiece distance
correctly,
see page 56.
Focusable eyepieces are not adjusted
correctly.
Adjust the focusable eyepieces to the
eye deficiencies,
see page 56.
Microscopy is tiring for the eyes. Eyepiece distance (interpupillary
distance) not set correctly at the
binocular tube. Adjust the eyepiece distance
correctly,
see page 56.
Focusable eyepieces are not adjusted
correctly.
Adjust the focusable eyepieces to the
eye deficiencies,
see page 56.
Image brightness not acceptable. Adapt the lamp voltage or insert a
conversion filter.
Binocular tube maladjusted optically
or mechanically. Check or repair by Microscopy
Service.
Dirt or dust in the visual field. Condenser not focused correctly, and
0.9 front lens not switched correctly.
Focus the condenser, and switch the
0.9 front lens on or off correctly.
see page 58 and the following.
Aperture stop opening too small. Adjust the aperture stop opening
according to the 2/3 rule or as per
specimen condition,
see page 58 and the following.
Dirt or dust on the optical surfaces of
objectives, eyepieces, condensers,
filters or specimens. Clean the optical surfaces of the
corresponding components,
see page 82.