31
STEINDORFF
®
PROBLEM
REASON
SOLUTION
III.
Electric Part:
The lamp can’t light
No power supply
Check the power cord, and connect
them exactly
The installation of the bulb is
wrong
Install the bulb correctly
The bulb burn out
Change a new bulb
The bulb burns out in a high
frequency
Not use the specified lamp
Use the required lamp
The height of the brightness is not
enough
Not use a appointed lamp
Use a appointed lamp
The brightness adjustment knob is
used wrong
Adjust the brightness adjustment
knob in a correct way
The light glimpse
The bulb is going to spoil
Change the bulb
The power cord have a poor contact
Check the power cord, and connect
them exactly
The light ring and the phase contrast kits
is not centered
Adjust the bolts to center them
The objective used is not fit to the phase
contrast observation
Please use the compatible objective
When looking at the edge of the culture
dish, the phase contrast ring and the light
ring is deviated each
other
Moving the culture dish until you
obtain the phase contrast effect.
You also could demount the slider,
and dial the field diaphragm with
the direction of “ ”
One side of the image is
unfocused
The nosepiece is not in the center of
the light path
Insure the nosepiece is in the
“clicked” position
The specimen don’t place properly
Place the specimen on the stage
correctly.
The optical performance of the culture
dish bottom is poor (such as erose figure
and soon)
Please use a regular culture dish
PROBLEM
REASON
SOLUTION
II.
Mechanical Part:
The coarse focus knob is hard to
run
The tension adjustment collar is too
tight
Loose properly
The image can’t stay on the focal
plane in the process of the
observation
The tension adjustment collar is too
loose
Tighten properly
