Zeiss Axio Imager 2 - Troubleshooting

Axio Imager 2 CARE, MAINTENANCE, TROUBLESHOOTING AND SERVICE ZEISS
Troubleshooting
01/2016 430000-7544-001 199
5.3 Troubleshooting
Problem Cause Troubleshooting
Shadows or uneven image
brightness levels in the field of
view; the field is not entirely
visible.
The vis/doc push-pull rod on the
phototube is not in the correct
position (intermediate position).
Move the vis/doc push-pull rod to
the correct position (end
position).
The nosepiece with objective has
not clicked into place.
Turn the nosepiece with the
objective until it clicks into place.
The condenser is not set correctly. Set the condenser correctly
(adjust, center);
see p. 161 ff.
The aperture diaphragm is not set
correctly.
Set the aperture diaphragm
correctly (centering, aperture);
see p. 161 ff.
The luminous-field diaphragm is
not set correctly.
Set the luminous field-diaphragm
correctly (centering, opening);
see p. 161 ff.
The filter has not been inserted
correctly in the filter mount.
Insert the filter correctly in the
filter mount.
No DIC effect The polarizing elements are not in
the beam path.
Move the polarizing elements into
the beam path and set them to
crossed position.
Double images in brightfield
examinations
DIC slider in the light path. Remove DIC slider from the light
path.
Low resolving power and poor
image contrast.
The aperture diaphragm has not
been opened to the correct size.
Set the aperture diaphragm using
the 2/3 rule or to match the
specimen features; see p. 162 ff.
The condenser has not been
focused correctly and front lens
0.9 not swiveled in / out correctly.
Focus the condenser and swivel
front lens 0.9 correctly in or out;
see p. 162 ff.
Wrong cover glass thickness used
for transmitted-light objectives
with 0.17 mm cover glass
thickness.
Use standardized 0.17 mm cover
glasses.
Specimen slide placed upside
down.
Turn slide so that specimen is
facing up.
Use of no or non-specified
immersion oil with immersion
objectives.
Use Immersol 518 F
®
immersion
oil from Carl Zeiss; see p. 202.
Air bubbles in the immersion oil. Remove the bubbles by applying
new oil.