Troubleshooting Guide - Auxilab HBF001 Manual De Instrucciones

7. TROUBLESHOOTING GUIDE

According to different operation method, through it is not a fault, but will not give full
performance of the microscope. After the issue is occurred, please find out the reason further.
Phenomenon
No illumination
There's Light, but viewing
field is dark
See dirt or dust in the viewing
field
Poor visibility :
Image is not obvious
The contrast is bad
Resolution is bad
Image illegible
Light intensity turns to high
level, brightness field of view
little changed, uneven
lighting
Bulb Sometimes lighting,
sometimes dark
Light bulb burned
immediately
Manual de instrucciones- Instruction´s manual
Causation
Bulb burn out
Fuse burn out
power cable not connected
Brightness is not adjusted
Aperture diaphragm shrink too
small
Viewing field diaphragm shrink
too small
Some dirt and dust on the
eyepieces and specimen
Incorrect objective position in
the optical path
Aperture diaphragm shrink too
small
Group of objective dirty
Dirt and dust on the specimen
Sample didn't level up
Incorrect objective position in
the optical path
Light source center deflected
Light source center deflected
Light bulb about to burn out
Pins of bulb not connected
Use wrong bulb
Disposal
Change bulb
Change fuse
Check the power connector
Adjust light intensity knob
Enlarge the aperture
diaphragm
Enlarge the viewing field
Stop (diaphragm)
Clean all
To ensure the objective
position is correct
Enlarge the aperture stop
(diaphragm)
Clean objectives
Clean it
Level up the sample
To sure the objective
position correct
Adjust center of light source
Adjust center of light source
Change bulb
Check connecting
Use specified bulb
REF/CODE: HBF001
35