Olympus CX23 User Manual

16
6 Troubleshooting
Under certain conditions, performance of the microscope may not be given properly. 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
Refer-
ence
page
1. The brightness of observed field of
view is uneven.
The objective is not engaged in the
light path.
Engage the objective in the light path
by rotating the revolving nosepiece
until its clicks.
12
The condenser is too much lowered. Raise it to the upper limit.
10
The objective, eyepiece, condenser
and/ or window lens are dirty.
Clean them thoroughly.
4
2. Dust or stains are visible in
observed field of view.
The eyepiece, condenser, window
lens and/or specimen slide are dirty.
Clean them thoroughly.
4
3. Observation image glares. The condenser is too much lowered. Raise it. 10
The aperture iris diaphragm lever is
stopped down excessively.
Adjust the aperture iris diaphragm
lever according to the objective
magnification to use.
10
4. Observation image is whitish,
blurred or unclear.
The objective is not engaged in the
light path.
Engage the objective in the light path
by rotating the revolving nosepiece
until its clicks.
12
The eyepiece, condenser, window
lens and/or specimen slide are dirty.
Clean them thoroughly.
4
Immersion oil is not used with an oil
immersion objective.
Use immersion oil.
13
Air bubbles are contained in the
immersion oil.
Remove the air bubbles.
13
The designated immersion oil is not
used.
Use immersion oil provided by
Olympus.
13
5. Part of the image is defocused or
the image looks like it’s flowing.
The objective is not engaged in the
light path.
Engage the objective in the light path
by rotating the revolving nosepiece
until its clicks.
12
The specimen slide is not set
properly on the stage.
Set the specimen slide correctly on
the stage and secure it using the
specimen holder
8
6. High magnification objective hits
the specimen slide just before the
specimen comes into focus.
The specimen slide is set upside
down.
Set the specimen slide correctly with
the cover glass up. 8
7. Rotation of the coarse adjustment
knob is too tight.
The tension adjustment ring is set
too tight.
Loosen the tension adjustment ring to
get proper tension.
9
8. It is impossible to bring the
specimen into focus (because the
stage can not be raised).
The pre-focusing knob is positioned
too low.
Raise its position.
10

Olympus CX23 Specifications

General

Brand	Olympus
Model	CX23
Category	Microscope
Language	English