Olympus BX51 - Page 26

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Problem
Cause Remedy Page
Immersion oil contains bubbles. 20
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Remove the bubbles.
Recommended immersion oil is not
used.
Use the provided immersion oil.
Dirt/dust on specimen. Clean it.
Dirt/dust on condenser.
Inappropriate object side or cover glass
thickness.
Replace with glass of recommended
thickness.
f ) One side of image is blurred. Objective is not correctly engaged in light
path.
Make sure that revolving nosepiece
clicks into place correctly.
Revolving nosepiece is not correctly
mounted.
Push slide dovetail all the way until it
is stopped.
Stage is not correctly mounted.
Re-attach it.
Specimen is not correctly mounted on
stage.
Place specimen correctly on top of
stage and secure it with slide holder.
g) Image appears to waver.
Revolving nosepiece is not corrected
mounted.
Push slide dovetail all the way until it
is stopped.
Objective is not correctly engaged in
light path.
Make sure that revolving nosepiece
clicks into place correctly.
Condenser is not properly centered. Center the condenser.
h) Field of view becomes only slightly
brighter when the voltage is raised.
Condenser is not properly centered. Center the condenser.
Condenser is lowered too far.
Adjust the condenser height position.
2. Electrical System
a) Bulb intermittently lights and goes
out.
Bulb is nearly burned out. Replace bulb.
A connector is not properly connected. Check all connectors.
b) Bulb burns out almost immediately.
Wrong type of bulb is being used. Use correct bulb type.
c) Brightness does not change when
you turn light intensity adjustment
knob.
Light intensity preset button is set to ON. Press button to OFF.
d) All voltage indicator LEDs light and
voltage cannot be varied with light
intensity adjustment knob.
Bulb is not installed. Install bulb.
Bulb is burned out.
Replace bulb.
Lamp socket is not connected. Connect lamp socket correctly.
e) Lamp voltage cannot be varied
with light intensity adjustment
knob.
Bulb is burned out.
Replace bulb.
3. Coarse/Fine Adjustment
a) Coarse adjustment knob is hard
to turn.
Tension adjustment ring is tightened ex-
cessively.
Loose ring.
You are trying to raise stage without
coarse adjustment knob while pre-focus-
ing lever is kept locked.
Unlock pre-focusing lever.
b) Stage drifts down by itself or focus
is lost during observation.
Tension adjustment ring is too loose. Tighten ring.
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e) Visibility is poor.
· Image is not poor.
· Contrast is poor.
· Details are indistinct.
· Image glares.