8
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Trouble Shooting BMS INVERTED BIOLOGICAL
Under certain condition, some no-fault factors will bring a reversible influence to the instrument’s
performance. If the problem is happened, please take
proper measures according to the follow table. If
you can’t solve the trouble by the supplied methods, please contact with the sales department of our
company.
PROBLEM REASON
SOLUTION
PAGE
I、Optical Part:
The plug of the lamp holder is
not connected into the
illumination set
Connect them well
3
The bulb burnt out
Change a new lamp
3
The brightness is too low
Adjust to a proper position
8
The color filter is piled too
much
Minimize the number of the
filters
11
1. The illumination
is opening, but the
field of view is dark.
No use the appointed lamp
bulb
use the specified halogen Lamp
6V30W
3
The nosepiece is not in the
located position
Turn the nosepiece into the
position where you can hear
“clicked”
4
the color filter is stopped
midway
Insert deeply
5
2. The edge of the
field of view has
shadow or the
brightness is
asymmetry
The phase contrast slider is not
located in the proper position
Turn the slider into the
“clicked” position
13
There are stains on the
specimen
Change a clean specimen
3.
Find dust and
stain in the field
of view
There are stains and dust
on the eyepiece
Clean the eyepiece
4. appear double
image
the size of the aperture
diaphragm is too small
Open up the aperture
diaphragm
11
The nosepiece is not in the
center of the light path
ensure the nosepiece is turned
into the “clicked” position
4
the aperture diaphragm in the
view of field is opened too
large or too small
adjust the aperture diaphragm
correctly
11
The lens (condenser, objective,
ocular or culture dish)
become dirty
Clean all
In the phase contrast
observation, the bottom
thickness of the culture dish is
more than 1.2mm.
Use a the culture dish whose
bottom thickness is less than
1.2mm
9
5. Resolution
problems
:
z
Image is not
sharp
;
z
The contrast is
not high
;
z
The detail is
not clear
;
z
Don’t obtain
the phase
contrast effect
Use a bright field objective
Change to the phase contrast
objective
12
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