Olympus CK2-BIC Manuale di istruzioni - Pagina 12
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6
TROUBLESHOOTING GUIDE
II YOU
are
unable to obtain full performance from your microscope, please consult the table below for
pointers for trouble shooting'
Trouble
I
Cause
I
RlImildv
1. Optical system
a)
With light
source switched
Bulb socket cord is not completely
Chock and tighten connection,
on, field of vielll' is dark,
connected \0 lamp housing.
(p, 'I)
Bulb is burned out.
Replace defective bulb
{p.4)
Bulb YOltage seleclOf knob is set al
Increase bulb voltage.
(p.3)
too low VOltage position.
Bulb is not centered.
center bulb. (p. 4)
Too many filters
afe
engaged.
Minimize filters in number.
(po
6)
Fuse is burned out
Remove cause for fuse burning and
replacadelective fuse.l2nd cover)
Line voltage selector SWitch
is
not
50"
selector switch
<0
local line
matched to local line voltage.
voltage.
{po
41
bl Field of view is cuI off or
Nosepiece is not clicked into posi·
Slightly rotate nosepiece until
"
illuminated unevenly.
tion.
clicks in position.
Filter stops midway.
Slide filter into correct position.
Phase slider is not engaged in cor·
Ma",
slider completely until
a
rect position.
clicks into position. (po 7)
<I
Dust or dirt is visible in
Dirty specimen
Clean specimen.
field of view.
Dust on eyepiece
Clean eyepiece front lens
d) Excessive image contrasts
Apenure iris diaphragm is SlOPPed
Open aperture properly. (p. 6)
down too much.
'I
Resolution problems
Objective
i,
"0<
correctly posi·
Slightly rotate nosepiece until
a
•
Image is not sharp.
tioned in light path.
clicks into position. (po 10)
•
Insufficient contrast
Aperture iris diaphragm is stopped
Adjust aperture properly. (p. 6)
•
Image details l8<:k defini·
down (or opened up) too much.
lion.
C£lrrection collar is not adjusted.
Adjust collar correctly, ched:ing
image in focus. (p. 6)
Dust on condenser lens, objective,
Clean.
eyepiece, and specimen vessel, etc.
Thickness of specimen slide, bot·
Use vessel of bottom thickness less
tom of vessel, etc. is over 2 mm.
than 2 mm. (p. 6)
•
No effective phase can·
Brightfield objective is used,
Use phase contrast objective. (Po 7)
Hast
Light annulus of condenser is not
U"
li~t
annulus matching with
matched With phase annulus of
objective. (p, 7)
objective.
Light annulus and phase annulus are
center annuli correctly.
not concentric.
(p.7)