Drawell SMART-e-320 Betriebsanleitung - Seite 13
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Appendix 1: Troubleshooting
1) In 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.
Trouble
Switch on but bulb dark
Bulb is flickering or
brightness is unsteady
Brightness of view field
isn't enough or is uneven
Brightness of view field
isn't enough or is uneven
Image isn't clear
(contrast or definition
isn't enough)
One side of image is
dark or image is
moving as focusing
Objective touches
specimen as changing low
times objective to high
times objective
Image observed by two
eyes aren't in
superposition entirely.
It is easy for eyes to be
tired during observing
2) If there is any trouble occurs in digital system , please referring to the following sheet listed some
common troubleshooting resolve them.
Causation
Plug is unreliable
Bulb is broken
Fuse is broken
Bulb is unstable
Bulb is broken
Bulb specification doesn't
meet the requirement
Brightness isn't adjusted
correctly
Objective isn't in correct
position
The size of iris aperture is too
small
Lens (objective, eyepiece,
condenser, light collector) has
dust
Position of condenser is too low
Cover glass of specimen
doesn't meet the requirement
Cover glass of specimen isn't in
up direction
Surface of objective lens
Is dirty (especially it is easy for
the front lens of 40× objective
to dip in immersion oil)
Immersion oil isn't used for
100× objective (oil)
Immersion oil doesn't meet the
requirement
There is bubble in immersion oil
Size of iris aperture isn't
proper
Position of condenser is too low
Objective isn't in correct
position
Specimen isn't placed correctly
Cover glass of specimen isn't in
up direction
Cover glass doesn't meet the
requirement
Interpupilary distance isn't
adjusted correctly.
Diopter isn't adjusted correctly
-１１-
Remedy
Plug in again
Change bulb
Change fuse
Insert it again
Replacing bulb
Replacing bulb
Adjust rotation
potentiometer
Make the objective in correct
position
Adjust the size of iris aperture
Clean it
Higher condenser
Use required thickness cover
glass (0.17mm)
Place specimen correctly
Clean it
Use immersion oil
Use immersion oil
supplied by us
Clear the bubble way
Adjust the size of iris
aperture
Readjust the position of
condenser
Make the objective in
correct position
Place specimen levelly on stage
and clip it with clamp
Place specimen correctly
Use required thickness
cover glass (0.17mm)
Adjust interpupilary
distance according to two eyes
Readjust diopter