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MT-40 Series
Problem
Cause
Solution
Interpupillary distance is wrong.
Adjust the interpupillary
distance.
(6) The eyes feel
tired easily. The
right field of view
doesn’t superpose
with the left.
The eyepieces for the right are different
from the left.
Use the same eyepieces.
2. Mechanical Part
The cover glass faces down.
Put the cover glass to face
up.
(1) Can not get the
objective focused.
The cover glass is not standard.
Use a standard cover glass
with thickness 0.17mm.
The cover glass faces down.
Put the cover glass to face
up.
(2) The objective
touches the cover
glass while turning
the nosepiece.
The cover glass is not standard.
Use a standard cover glass
with thickness 0.17mm.
(3) Coarse
focusing knob is
too tight.
Tension knob is too tight.
Loosen a little.
(4) Stage declines
itself.
Tension knob is too loose.
Tighten a little.
(5) Coarse
focusing knob
can’t rise.
The limit stop knob is locked.
Loosen the knob.
(6) Coarse
focusing knob
can’t decline.
The base of the condenser is too low.
Raise the base.
The slide is not fixed correctly.
Adjust it correctly.
(7) Can not move
the slide smoothly.
The movable specimen holder is not
fixed properly.
Adjust it correctly.
(8) The image
moves obviously
when touching the
stage.
The stage is fastened incorrectly.
Fasten the stage correctly.
3. Electrical Part
No power supply.
Check the connection of the
power cable.
The LED light is not inserted correctly.
Insert it correctly.
(1) The LED light
does not work.
The LED lights burnt out.
Replace it.
(2) The LED light
burnt out usually.
Use a wrong LED lights.
Replace with a correct one.
Use a wrong LED lights.
Replace with a correct one.
(3) The field of
view is not bright
enough.
The use of light adjustment knob is
wrong.
Adjust correctly.
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