Troubleshooting Tables - Nikon eclipse e100 Instructions Manual

Troubleshooting Tables

If difficulties should be encountered in the course of operation, please recheck the symptoms,
referring to the tables below, before contacting your nearest Nikon representative.
Optical
Troubles
Darkness at the periphery,
no viewfield seen, or
uneven viewfield
brightness.
Dirt or dust in the
viewfield.
Causes
Revolving nosepiece not in
click-stop position (objective
not centered in the optical
path).
Condenser position too low.
Condenser not installed
correctly.
Field lens unit not installed
correctly.
Lamp not installed correctly.
Dirt or dust on the lens
(condenser, objective, field
lens, eyepiece, specimen).
Optical-path selection lever in
the intermediate position (on
trinocular eyepiece tube).
Optical-path selection lever not
set to binocular 100%.
Condenser position too low or
too high.
Aperture diaphragm closed too
far.
Dirt or dust on the lens
(condenser, objective, field
lens, eyepiece, specimen).
Corrective Measures
Revolve to click-stop position
(swing the objective correctly
into the optical path).
Position the condenser slightly
lower than the upper limit.
(P. 19)
Install correctly. (P. 28)
Install correctly. (P. 31)
Install correctly. (P. 31)
Clean the lens. (P. 40)
Properly set to binocular 100%.
(P. 24)
Position the condenser slightly
lower than the upper limit.
(P. 19)
Open properly. (P. 20)
Clean the lens. (P. 40)
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