Carl Zeiss Care and Troubleshooting Primo Star / Primo Star iLED
36 M60-2-0011 v 08/2008
En
lish
4.2 Troubleshooting
Problem Cause Remedy
Nosepiece with objective has not been
switched into click-stop position.
Switch nosepiece with objective into
click-stop position.
Condenser has not been set correctly. Set condenser correctly.
The aperture diaphragm has not been
adjusted correctly.
Adjust aperture diaphragm correctly.
The luminous-field diaphragm has not
been adjusted correctly.
Adjust luminous-field diaphragm
correctly.
The field of view is not
completely visible.
The filter has not been inserted
correctly into the filter mount.
Insert filter correctly into filter mount.
The aperture diaphragm has not been
opened to correct size.
Set opening of aperture diaphragm to
correct size.
Condenser not focused correctly. Focus the condenser.
Wrong cover glass thickness selected
for use of transmitted-light objectives
corrected for 0.17mm cover glass.
Use standard 0.17 mm cover glass.
Use of no or non-specified immersion
oil with immersion objective
Use the supplied immersion oil.
Air bubbles in immersion oil Remove the bubbles by applying new oil
or moving the objective to and fro.
Immersion oil on the front lens of a
dry objective
Clean the front lens of the dry objective.
Low resolving power, poor
image contrast
Dirt or dust on the optical surfaces of
objectives, eyepieces, condenser, or
filters
Clean the respective optical
components.
Greater focus differences after
changing the objective
The adjustable eyepieces have not
been set correctly.
Set the adjustable eyepieces to the
corresponding defective vision.
Power plug has not been plugged into
power outlet.
Connect power plug to power outlet. The 6V 30W halogen lamp or
the LED source does not light
up although the microscope
has been switched on.
6V 30W halogen lamp or LED source
is defective.
Replace the defective 6V 30W halogen
lamp or the LED module.
End of average service life of 6V 30W
halogen lamp has been reached.
Replace the 6V 30W halogen lamp.
Power cable incorrectly installed or
broken.
Connect the power cable correctly or
replace it.
The pins of the 6V 30W halogen lamp
have not been inserted correctly into
the lamp holder.
Insert the pins of the 6V 30W halogen
lamp correctly into the lamp holder.
The 6V 30W halogen lamp is
flickering, its light intensity
unstable, the illumination
inhomogeneous
The pins of the 6V 30W halogen lamp
have not been inserted symmetrically
into the lamp holder.
Insert the pins of the 6V 30W halogen
lamp symmetrically into the lamp holder.
Stage comes down by itself,
image focus is unstable
Adjusted torque of coarse focusing
drive is too low.
Increase the torque of the coarse
focusing drive to make motion stiffer.
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