Olympus BX46 - Page 30

26
Problem Lamp Cause Remedy Page
Dirt or dust is visible in the field
of view.
Common Dirt/dust on the eyepieces.
Clean thoroughly.
3
Common Dirt or dust on condenser top
lens.
Common Dirt/dust on the specimen.
Visibility is poor
· Image is not poor.
· Contrast is poor.
· Details are indistinct.
· Image glares.
Common A non-UIS/UIS2 objective is
used.
Use only UIS2/UIS series objectives
with this microscope.
30
Common Condenser height is too low. Adjust correctly.
12
Common Aperture iris diaphragm is not
opened enough.
Open aperture iris diaphragm.
12
Common Front lens of objective is dirty. Clean objective.
3
Common Immersion oil is not being used
with an oil immersion objective.
Use immersion oil.
23
Common Immersion oil contains bubbles. Remove the bubbles.
23
Common Recommended immersion oil is
not used.
Use an Olympus-designated
immersion oil.
23
Common Dirt/dust on specimen.
Clean it.
3
Common Dirt/dust on condenser top lens.
One side of image is blurred. Common Objective is not correctly engaged
in light path.
Make sure that revolving nosepiece
clicks into place correctly.
–
Common Stage is not correctly mounted. Re-attach it.
18
Common Specimen is mounted upside
down.
Mount specimen correctly.
–
Image appears to waver. Common Objective is not correctly engaged
in light path.
Make sure that revolving nosepiece
clicks into place correctly.
–
Common Condenser is not properly
centered.
Center the condenser.
12
Coarse adjustment knob is hard
to turn.
Common Tension adjustment ring is
tightened excessively.
Loose ring.
16
Common You are trying to raise stage
without coarse adjustment knob
while pre-focusing lever is kept
locked.
Unlock pre-focusing lever.
16
Image cannot be focused:
· Objective drifts down by itself.
· Fine adjustment knob slips.
Common Tension adjustment ring is too
loose.
Tighten ring.
16
Coarse adjustment will not go all
the way down.
Common Pre-focusing lever is locked at a
high position.
Unlock it.
16
Objective makes contact with
specimen before focus is
obtained.
Common Specimen is mounted upside
down.
Mount specimen correctly.
–