7676
7 Troubleshooting
If problems occur, please review the following list and take remedial action as needed.
If you cannot solve the problem after checking the entire list, please contact Olympus for assistance.
Problem Cause Remedy Page
1. Optical systems
a) Even though the lamp is ON,
the field of view is dark or
invisible.
The lamp is burned out. Replace with a new lamp.
68
,
70
The main switch of the light source
applicable to the observation
method is not set to ON.
Turn ON the light source of the
observation method in use. 32
,
46
The light path selection knob of
the trinocular tube is at the middle
position.
Set the light path selection knob at
the
position. 26
The observation light path
selection knob is at the middle
position.
Set the light path securely using
the observation light path selection
knob.
25
b) The field of view is obscured or
is not evenly illuminated.
The filter or the analyzer is not
inserted properly.
Insert the filter or the analyzer in the
light path properly or remove it.
39
,
51
The light path selection knob of
the trinocular tube is at the middle
position.
Set the light path selection knob at
the
position. 26
The observation light path
selection knob is at the middle
position.
Set the light path securely using
the observation light path selection
knob.
25
The aperture diaphragm is not
centered.
Center the aperture diaphragm.
103
c) Dust or dirt is visible in the field
of view.
The tip of the lamp is dirty. Clean them sufficiently.
12
Dust or dirt is attached to the
sample.
The top surface of the condenser
is dirty.
The tip of the objective is dirty.
The eyepiece is dirty.
The glass plate is dirty.
d) The observed image glares. The aperture diaphragm is
narrowed down too far.
Set the AS.PRESET switch of the
aperture diaphragm.
99
e) The visibility of the observed
image is poor.
The image is not sharp.
The contrast is poor.
The objective is not correctly
engaged in the light path.
Specify the objective again using
the objective selection button on
the front panel.
28
The tip of the condenser lens is
dirty.
Clean them sufficiently.
12
You are using the objective or
eyepieces that are not specified.
Replace with the specified
UIS2 (UIS) optical objectives or
eyepieces.
84
f) The one-sided blur appears in
the observed image.
The observed image flows.
The sample is tilted. Place the sample properly.
27
,
90
The objective is not correctly
engaged in the light path.
Specify the objective again using
the objective selection button on
the front panel.
28
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