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8
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6. Troubleshooting
I
n the period of using Smart series microscope, if there is any trouble occurs, please
referring to the following sheet listed some common troubleshooting resolve them or keep
in touch with us or local
agency
.
Trouble
Causation
Remedy
Switch on but bulb dark
No bulb
Install bulb
Plug is unreliable
Check joint again
Bulb is broken
Replace bulb
Fuse is broken
Replace fuse
Bulb is flickering or
brightness is unsteady.
Bulb is unstable
Insert again
Bulb is broken
Replace bulb
Brightness of view field
isn’t enough or is uneven.
Bulb specification doesn’t meet the
requirement.
Replace bulb
Bulb brightness is low.
Rotate potentiometer to adjusting
brightness.
Objective isn’t in correct optical path.
Rotate the objective in correct
position.
The size of iris aperture is too Small.
Adjust the size of iris aperture.
Lens (objective, eyepiece,
condenser, light collector) has dust.
Clean it
Position of Condenser is too low .
Adjust condenser properly.
Image isn’t clear
(contrast or definition
isn’t enough)
Cover glass of specimen doesn’t
meet the requirement.
Use required thickness cover
glass (0.17mm).
Cover glass of specimen isn’t in up
direction.
Place specimen correctly.
Surface of objective lens Is dirty
(especially it is easy for the front lens
of 4
0×
objective to dip in immersion
oil).
Clean it
Immersion oil isn’t used for
100× objective (oil)
Use immersion oil
Immersion oil doesn’t meet the
requirement.
Use immersion oil supplied by us.
There is bubble in immersion oil.
Clear the bubble away
Size of iris aperture isn’t proper.
Adjust the size of iris aperture.
Position of condenser is too low.
Readjust again
One side of image is
dark or image is
moving as focusing.
Objective isn’t in correct
optical path.
Make the objective in correct
position..
Specimen isn’t placed correctly.
Place specimen levelly on stage
and clip it with clamp.
Dirt and dust can be seen
in Field of view.
Dirt or dust on bulb glass
Clean it
Dirt or dust on specimen
Condenser’s front lens has dust or
dirt.
Lens (objective, eyepiece,
condenser, light collector) has dust.
Objective touching
specimen as changing low
power to high power
Cover glass of specimen
doesn’t meet the requirement.
Place specimen correctly.
Cover glass is too thick.
Use required thickness cover
glass (0.17mm).
Image observed by two
eyes aren’t in
superposition entirely.
Interpupilary distance isn’t adjusted
correctly.
Adjust Interpupilary distance.
Diopter isn’t adjusted correctly
Adjust diopter
Left and right eyepiece is different.
Replace same eyepieces.
It is easy for eyes to be
tired during observing.
Interpupilary distance isn’t adjusted
correctly.
Adjust Interpupilary distance.
Diopter isn’t adjusted correctly.
Adjust diopter
Brightness isn’t enough
Adjust brightness