Troubleshooting - Optika Italy B-1000 Serie Manual De Instrucciones

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Troubleshooting

Review the information in the table below to troubleshoot operating problems.
PROBLEM
1. Optical System
LED does not light.
LED operates, but field of view
remains dark.
Field of view is obscured or
not evenly illuminated
Dirt or dust is visible in the
field of view.
Visibility is poor.
· Image is not poor.
· Contrast is poor.
· Details are indistinct.
· Image glares.
CAUSE
Power cord is unplugged.
Aperture and field iris diaphragms are
not opened wide enough.
Condenser is lowered too much.
Light path selector knob is set to the
camera position.
Light path selector knob is in an inter-
mediate position.
Revolving nosepiece is not correctly
engaged.
Condenser is not attached properly.
Revolving nosepiece is not attached
properly.
An objective that falls outside of the
condenser's illumination range is used.
Condenser is not properly centered.
Field iris diaphragm is stopped down
too far.
Dirt/dust on the eyepieces
Dirt or the to surface of the condenser
Dirt/dust on the specimen
Condenser is lowered too far.
Aperture iris diaphragm is stopped
down too far.
Revolving nosepiece is not mounted
properly.
Front lens of objective is dirty.
Immersion oil is not being used with an
oil immersion objective.
Immersion oil contains bubbles.
Recommended immersion oil is not
used.
Dirt/dust on specimen.
Dirt/dust on condenser
Inappropriate object side or cover
glass thickness.
Page 16
SOLUTION
Plug power cord into the power outlet.
Adjust them to proper sizes.
Adjust the condenser height position.
Move the knob to the eye position.
Set the knob according to the observation
method.
Make sure that the revolving nosepiece
clicks properly into place.
Re-attach it.
Push the side dovetail all the way until it is
stopped.
Use a condenser to match the purpose.
Center the condenser.
Open the field iris diaphragm until it circum-
scribes the field.
Clean thoroughly.
Adjust the condenser height position.
Open aperture iris diaphragm.
Push the slide dovetail all the way until
it is stopped.
Clean objective.
Use immersion oil.
Remove the bubbles.
Use the provided immersion oil.
Clean it.
Replace with glass of recommended thick-
ness.

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