30
STEINDORFF
®
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
I.
Optical Part:
The illumination is opening,
but the field of view is dark.
The plug of the lamp holder is not
connected into the illumination set
Connect them well
The bulb burnt out
Change a new lamp
The brightness is too low
Adjust to a proper position
The color filter is piled too much
Minimize the number of the filters
No use the appointed lamp bulb
Use the specified halogen Lamp 6V
30W
The edge of the field of view
has shadow or the brightness
is asymmetry
The nosepiece is not in the located
position
Turn the nosepiece into the position
where you can hear “clicked”
The color filter is stopped midway
Insert deeply
The phase contrast slider is not located in
the proper position
Turn the slider into the “clicked”
position
Find dust and stain in the field
of view
There are stains on the specimen
Change a clean specimen
There are stains and dust on the eyepiece
Clean the eyepiece
Appear double image
The size of the aperture diaphragm is too
small
Open up the aperture diaphragm
Resolution problems: Image is
not sharp;
The contrast is not high
；
The detail is not clear
；
Don’t obtain the phase
contrast effect
The nosepiece is not in the center of the
light path
Ensure the nosepiece is turned into
the “clicked”
The aperture diaphragm in the view of
field is opened
Too large or too small
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
Use a bright field objective
Change to the phase contrast
objective
The condenser ring is not coincident with
the objective phase ring
Adjust the condenser ring to match
the objective phase ring
7.
TROUBLESHOOTING
