Nikon ECLIPSE E600 Instructions Manual page 32

5. Troubleshooting Tables
Problem
Cause Countermeasure
Viewing is poor (too much or
too little contrast, poor
resolution).
The aperture diaphragm is stopped down too
far.
Open the diaphragm to a suitable size. (p. 18)
The condenser is too low.
Position the condenser so that the image of
the field diaphragm forms properly on the
specimen. (p. 17)
The cover glass is too thick. Use the specified type of cover glass
(thickness: 0.17 mm).
There is no cover glass.
There is no oil on the tip of an oil-immersion
type of objective.
Apply Nikon immersion oil. (p. 22)
The specified immersion oil is not being
used.
There are bubbles in the immersion oil. Remove the bubbles. (p. 22)
There is immersion oil on the tip of a dry Clean the components. (p. 23)
type of objective.
The compensation ring on an objective fitted
with a compensation ring has not been
adjusted.
Adjust the compensation ring according to
the cover glass.
There is dirt or dust on the lens, condenser,
objective or specimen.
Clean the components. (p. 34)
Uneven focus.
The revolving nosepiece has not been
installed properly.
Install the revolving nosepiece correctly.
(p. 28)
The revolving nosepiece has not been
Turn the revolving nosepiece until it clicks
rotated until it clicks into place. into place. (p. 11)
The specimen is not secured in place on the Install the specimen property in the
stage. specimen holder on the stage.
The stage has been installed slanted. Install the stage correctly. (p. 27)
image flows.
The revolving nosepiece has not been
installed properly.
Install the revolving nosepiece correctly.
(p. 28)
The revolving nosepiece has not been
Turn the revolving nosepiece until it clicks
rotated until it clicks into place. into place. (p. 11)
The specimen is not secured in place on the Install the specimen properly in the
stage. specimen holder on the stage.
The condenser is not centered. Center the condenser. (p. 17)
The stage has been installed slanted. Install the stage correctly. (p. 27)
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