Troubleshooting Guide - Olympus BX50 Instructions Manual

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TROUBLESHOOTING GUIDE
Under certain conditions. performance of this unit may be adversely affected by factors other than defects. If problems
occur, please review the following list and take remedial action as appropriate. If you cannot solve the problem after
checking the entire list, please contact your local Olympus representa tive for assistance.
Problem
I
Cause Rem edy
I
Page
I . Optical System
a) Lamp does not light.
Bulb burned out.
Replace bulb. 3
Fuse burned out.
Replace fuse. 6
b)
Lamp
lights, but field of
Field iris diaphragm is not open
Wide
Open the field
IriS
diaphragm.
18
view remains dark. enough.
Condenser is too low.
Adjust the condenser position. 18
Light path selector knob is set to the
dtI position.
Move the knob to thec(~ or
(I{
position.
17
c)
Field of view
is ob- Light path selector knob is in the middle Set the knob according to the obselVation 17
scured. or field of view position.
method.
;s
not evenly illumi-
nated.
The revolving nosepiece is not correctly
engaged.
Make sure that the objective dicks proper-
Iy into place.
9
The revolving nosepiece is not properly Press it in as far as it will go. 10
mounted.
You are using an objective that falls
Use
,
condenser that matches the 19
outside 01 the condenser's illumination objective.
range.
The condenser is not property centered.
Center the condenser. 18
The
field iris diaphragm
is
stopped down
too far.
Open the field ins diaphragm.
18
Th. halogen bulb ;s not mounted
Push the pins of the halogen bulb into
3
properly.
the holes.
d) Dirt or dust is visible in
Dirt on the light exit glasss
Clean thoroughly.
the field of view.
Dirt on the top surface of the condenser
-
Dirt/dust on the specimen
Dirt/dust on the eyepiece
e) The image is too con-
The condenser is lowered too far.
Adjust the condenser position.
18
trasty and dark.
The aperture iris diaphragm IS stopped
down too far.
Open the aperture Iris diaphragm.
19
f) Visibility is poor.
You are using an objective that is not
Use an objective made for the UIS series.
-
• Image IS not sharp.
made for the UIS series.
• Contrast is poor.
• Details are indistinct.
The revolving nosepiece is not position-
Push the nosepiece slider firmly until it
10
ed properly.
comes up against the slap.
The objective is not property POSitioned
in the light path.
Make sure that the object clicks properly
into place.
9
The correction collar on the correction
While focusing, turn the correction collar
-
collar equipped objective is not adjusted.
to find the best position.
The tip of the objective IS dirty.
Clean the objective. -
Immersion oil is .not being used with
Use oiL
21
an oil immersion lens.
The immersion oil contains bubbles.
Remove the bubbles.
21
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