Accu-Scope EXI-410 Series, Руководство пользователя

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EXI-410 INVERTED MICROSCOPE SERIES
ACCU-SCOPE ®
73 Mall Drive, Commack, NY 11725 • 631-864-1000 • www.accu-scope.com 27
TROUBLESHOOTING
Under certain conditions, performance of this unit may be adversely affected by factors other than defects. If a
problem occurs, 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 dealer for assistance.
OPTICAL
PROBLEM CAUSE SOLUTION
The LED bulb is burnt out. Replace it with a new one.
The illumination is on, but the
field of view is dark.
The brightness is set too low. Set it to the appropriate position.
Too many filters are stacked. Reduce them to the minimum required
number.
The nosepiece is not in the located position. Turn the nosepiece into the position where
you can hear it engaged.
The edge of the field of view is
obscured or not evenly
illuminated.
The color filter is not inserted fully. Push it in all the way.
The phase contrast slider is not located in the
proper position.
Move the slider until it clicks into place.
Dirt or dust is visible in the field
of view.
Dirt/dust on the specimen. Clean or replace the specimen.
̶ or ̶
Dirt/dust on the eyepiece. Clean the eyepieces.
The image has glare.
The iris diaphragm is closed too much. Open the iris diaphragm more.
The objective is not correctly engaged in the
light path.
Turn the nosepiece into the engaged position.
The aperture diaphragm is opened or stopped
down too far in brightfield observation.
Adjust the aperture diaphragm properly.
The lens (condenser, objective, ocular, or
culture dish) become dirty.
Clean it thoroughly.
Visibility is poor

Image is not sharp
In phase contrast observation, the bottom
thickness of the culture dish is more than
1.2mm.
Use a culture dish whose bottom thickness is
less than 1.2mm, or use a long working
distance objective.

Contrast is poor
Using a brightfield objective. Change to a phase contrast objective.

Details are indistinct
The light annulus of the condenser does not
match the phase annulus of the objective.
Adjust the light annulus so that it matches the
phase annulus of the objectives
The light annulus and the phase annulus are
not centered.
Adjust the centering screws to center it.