kruss MBL4000 Series Troubleshooting

en
Troubleshooting MBL4000 series
FAULT POSSIBLE CAUSE
No microscope
image visible
Microscopy image is
blurred
There is dirt visible
in the microscope
image
Biological microscopes MBL4000 series | Version 1.1 © A.KRÜSS Optronic GmbH 2024
Objective not correctly engaged in the
revolving nosepiece
Condenser not correctly inserted into the
condenser mount
Illumination not switched on or defective
Microscopy is started with very high
magnification and specimen is not found
A cover glass that is too thick was used,
which means that the image cannot be
focused without collision
Objective has collided with specimen
The 100X objective is used in air
A cover glass that is too thick was used,
which means that the image cannot be
focused without collision
No cover glass was used
The specimen between the slide and the
cover glass is thicker than necessary
Dioptre compensation is not set correctly, or
dioptre compensation is incorrectly used for
focussing the microscope image
There is dirt on the slide or cover glass
Dirt is on or in the eyepiece
There is dirt on or in the objective,
e.g. immersion oil
Dirt is in the remaining optics in the
microscope head
REMEDY
Turn the revolving nosepiece until it clicks
➔
into place
Push the condenser into the condenser
➔
mount as far as possible
Turn on the illumination
➔
Contact customer service
➔
Always start microscopy with the smallest
➔
magnification
Use cover glasses with a thickness
➔
of 0.17 mm
Prevent objective from colliding with
➔
specimen
Always operate 100X objective with
➔
immersion oil
Use cover glasses with a thickness
➔
of 0.17 mm
Use cover glasses with a thickness
➔
of 0.17 mm
Microscopy with only as much specimen
➔
as necessary
Do not use dioptre compensation to
➔
focus the microscope image
Perform dioptre compensation
➔
Use only clean slides and cover glasses
➔
and avoid fingerprints.
Carefully clean the eyepiece lens from
➔
both sides. To do this, use compressed
air or a fine, lint-free cloth and
water/Isopropanol.
Carefully clean the lens of the objective.
➔
To do this, use compressed air or a fine,
lint-free cloth and water/Isopropanol.
If there is dirt inside the objective,
➔
carefully(!) unscrew it and clean the
lenses with extreme caution.
Remove the microscope head, remove
➔
the eyepieces and blow through the
microscope head with compressed air