17
TROUBLESHOOTING GUIDE
44
Under certain conditions, performance of the unit may be adversely affected by factors other than defects. 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 your local Olympus representative for assistance.
Cause
Problem
Remedy
Page
1. Optical System
a) Field of view is obscured or not
evenly illuminated
Revolving nosepiece is not correctly
engaged.
Make sure that revolving nosepiece
clicks properly into place.
–
Condenser is not correctly attached.
Re-insert it all the way without tilt.
22
Field iris diaphragm is not properly
centered.
Center it.
12
Field iris diaphragm is stopped down
too far.
Open it to an optimum stop position.
12
Dirt/dust on objective, eyepieces,
condenser or light exit glass.
Clean them.
3
b) Dirt or dust is visible in the field of
view.
Dirt/dust on light exist glass
Clean thoroughly.
Dirt/dust on top lens of condenser
3
Dirt/dust on the specimen
Dirt/dust on eyepiece
c) Image shows diffraction.
Condenser is lowered too far.
Adjust the condenser height position.
12
Aperture iris diaphragm is stopped
down too far.
Open it.
13
d) Visibility is poor.
· Image is not sharp.
· Contrast is poor.
· Details are indistinct.
Objective is not engaged correctly in
light path.
Make sure that revolving nosepiece
clicks into place correctly.
–
Dirt/dust on front lens of objective.
Clean it thoroughly.
3
Immersion oil is not being used with
an oil immersion objective.
Use immersion oil.
15
Immersion oil contains bubbles.
Remove bubbles.
15
Recommended immersion oil is not
used.
Use the specified immersion oil.
15
Dirt/dust on specimen.
Clean it.
3
Dirt/dust on condenser.
e) One side of image is blurred.
Image seems to waver.
Objective is not engaged correctly in
light path.
Make sure that revolving nosepiece
clicks into place correctly.
–
Dummy slider is not correctly
engaged.
Make sure that dummy slider clicks
properly into place.
7
Specimen is not correctly mounted
on stage.
Place specimen correctly on top of
stage and secure it with specimen
holder.
9
