OPTO-EDU A23.3645 Series, Instruction Manual

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8 Trouble Shooting
The performance of the microscope can’t be made fully because of unfamiliar using, this table will give some
advices.
8-1
General troubleshooting
Trouble Cause Remedy
1
、
Double images
Interpupillary distance is not
correct Readjust it
Diopter adjustment is not correct Readjust it
Magnification of each eyepiece
is not the same size Mount the same size
eyepiece
2
、
Dirt appears in the field of view
Dirt on the specimen Clean the specimen
Dirt on the surfaces of eyepiece Clean the surface
3
、
Image is not clear Dirt on the surfaces of the
objectives Clean the objectives
4
、
Image is not clear while the focus
changing
Diopter adjustment is not correct Readjust the diopter
Focus is not correct Readjust the focus
5
、
The focusing knob is not smooth The focusing knob is too tight Loosen it to a suitable
position
6
、
The image is obscure because of
the head slipping down by itself
during observation The focusing knob is too loose
Tighten it to a suitable
position
7
、
Incision image appears in the field
of view or of the video view
The pole is not in correct
position Pull or push it to the
correct position
8
、
The image on the monitor is not
clear when the focusing knob is
turned. The focus of video is not correct
Readjust the focus of video
to a correct position
9
、
Eyes fell tired easily
Diopter adjustment is not correct Adjust the diopter
Brightness of light is not correct Adjust the brightness
10
、
Bulb does not work when the
switch is on
No power supply Check the connection with
the power supply
The bulb was not inserted
correctly Insert it correctly
Bulb is wrong Replace with a new one
11
、
Bulb is burned out suddenly
Use the wrong bulb Replace with a correct one
The voltage is too high Control the voltage
Eg: use voltage regulator
12
、
Brightness is not enough
Use a wrong bulb Replace with a correct one
The voltage is too low Increase the input voltage
13
、
The bulb flickers or the
brightness is unstable
The bulb will burn out soon Replace with a new one
The bulb was not inserted
correctly Insert it correctly