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Troubleshooting Tables
Improper use of the microscope may adversely affect the performance even if it is not damaged. If
any of the problems listed in the table below occur. follow the countermeasures.
D
Viewing and control systems
Problem
Cause
Countermeasure
The optical path seleccion lever on the
eyepiece cube is in an intermediace
Sec the opcical pach seleccion leYer w
position.
I OO'K of the binocular eyepiece.
The opcical path seleccion lever on the
(p.201
eyepiece tube is not sec
IO
I 00'7c of the
binocular eyepiece.
The diffuser is in an intermediace
Insert and remove correccly.
lp.2~)
position.
The revolving nosepiece has not been
Install the revolving nosepiece
installed properly.
correctly.
(p.36)
The revolving nosepiece has not been
Tum the revolving nosepiece until it
rotated until ii has clicked into place.
clicks imo place. (Place the objeccive in
(The objeccive is not in the optical path.)
the optical path. l
(p.12)
Vignetting or uneven
Position the condenser so that the image
brightness in the view field;
The condenser is
100
low.
of the field diaphragm forms properly on
the entire view field cannot
che specimen.
(p.22)
be seen.
The condenser is not centered.
Center the condenser.
(p.22)
The condenser is not installed properly.
I nscall the condenser correct I y.
(p.35)
The filters are not switched fully into
Switch !he filters correctly.
(p.241
position.
The field diaphragm is s!Opped down
Open the diaphragm to a suitable size.
(00
far.
(p.24)
The lamp is not installed properly.
Install the lamp correctly.
(p.34)
The Bertrand lens is in the optical path.
Move out of the optical path.
The !Op lens of !he swing-ouc condenser
Correctly push in all the way.
is not positioned properly.
The P-CL. P-CS or P-CQ plate is not
Position correctly.
inserted correct! y.
Position the condenser so that the image
The condenser is too low.
of the field diaphragm forms properly
on the specimen.
(p.22)
Dirt or dust in the view
The aperture diaphragm is stopped down
Open the diaphragm to a suitable size.
field.
too far.
(p.23)
There is dirt or dust on the lens.
Clean the components.
(p.45)
condenser. eyepiece. filter or specimen.
41
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