Troubleshooting Tables; Nn N Kne - Nikon ECLIPSE E600 Instructions Manual

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.
圖 Viewing and control systems
Problem Cause
Countermeasure
Vignetting or uneven
brightness in the view field;
the entire view field cannot
be seen.
The optical path selection lever on the
eyepiece tube is in an intermediate position.
Set the optical path selection lever to 100%
The optical path selection lever on the of the binocular eyepiece. (p. 15)
eyepiece tube is not set to 100% of the
binocular eyepiece.
The diffuser is in an intermediate position. Insert and remove correctly. (p. 20)
The revolving nosepiece has not been
installed properly.
Install the revolving nosepiece correctly.
(p. 28)
The revolving nosepiece has not been
rotated until it has clicked into place.
(The objective is not in the optical path.)
Turn the revolving nosepiece until it clicks
into place. (Place the objective in the optical
path.) (p. 11)
The condenser is too low.
Position the condenser so that the image of
the field diaphragm forms properly on the
specimen. (p. 17)
The condenser is not centered. Center the condenser. (p. 17)
The condenser is not installed properly. Install the condenser correctly. (p. 27)
The filters are not switched fully into Switch the filters correctly, (p. 20)
position.
The field diaphragm is stopped down too far.
Open the diaphragm to a suitable size. (p. 19)
An unsuitable objective and condenser Use a suitable combination. (p. 19)
combination is being used.
The lamp is not installed properly. Install the lamp correctly. (p. 26)
Dirt or dust in the view field.
The condenser is too low.
Position the condenser so that the image of
the field diaphragm forms properly on the
specimen. (p. 17)
The aperture diaphragm is stopped down too
far.
Open the diaphragm to a suitable size. (p. 18)
There is dirt or dust on the lens, condenser,
eyepiece, filter or specimen.
Clean the components. (p. 34)
30