GX41
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TROUBLESHOOTING GUIDE
Under certain conditions, performance of the microscope 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 Olympus for assistance.
Trouble Cause Remedy Page
1. Optical System
a) Although the illumination is
on, the field of view is dark.
The lamp socket is not pushed in
securely.
Push it in all the way.
The socket pin is not connected to the
illumination unit.
Connect it securely.
The brightness adjustment control is set
too low.
Set it to the appropriate position.
The aperture iris diaphragm is stopped
down.
Open the aperture iris diaphragm.
The mounted lamp is not the one speci-
fied.
Use the specified 6 V, 30 W halogen lamp.
b) The edges of the field of view
are shaded, or the field of view
brightness is uneven.
The revolving nosepiece is not clicked into
position.
Turn the nosepiece slightly until it clicks
into position.
Push it in all the way.
c) Dust and smudges are no-
ticeable in the field of view.
The specimen is dirty. Clean the specimen.
The eyepiece is dirty. Clean the eyepiece.
d) The image appears shiny.
The aperture iris diaphragm is stopped
down.
Open the aperture iris diaphragm.
e) Resolution problems
· Images are not sharp.
· Contrast is wrong.
The objective is not correctly positioned
in the light path.
Turn the nosepiece slightly until it clicks
into position.
The aperture iris diaphragm is opened
or stopped down too much.
Adjust the aperture properly.
Objective, eyepiece, or specimen vessel
is dirty.
Clean it.
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The bulb is burned out.
Replace it with a new one
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The polarizer and analyzer are engeged. Disengage them.
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f ) The image is partially out of
focus.
The objective is not correctly positioned
in the light path.
Turn the nosepiece slightly until it clicks
into position.
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The specimen is not correctly placed on
the stage plate.
Put it on the stage correctly.
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The analyzer or dummy slider is not cor-
rectly positioned.
The dustproof glass is dirty. Clean it thoroughly.
The dustproof glass is dirty. Clean it thoroughly. 14
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g) The visual field is yellowish
even when an LBD filter is
engaged.
The ND filter is also engaged and it is
accidentally parallel with the LBD filter.
Touch either filter so that the two filters
are not parallel.
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