7
Troubleshooting
ZEISS
7
Troubleshooting
The following table provides hints for solving common problems. If you cannot solve the problem
or if you are unsure about a certain technical difficulty, contact your local ZEISS service represen-
Symptom
Cause
Measure
No illumination light after
switching on the micro-
scope.
Nosepiece and/or reflector tur-
ret are not engaged to defined
flector turret to the left or
positions.
Move the nosepiece and/or re-
right to engage the nosepiece
and/or reflector turret to de-
fined positions. Then restart
the microscope.
LED module defective
Shading or brightness ir-
regularities in the field of
view of the microscope;
the field of view is not
fully visible.
Nosepiece with objective is
not fully engaged in its locking
position.
Engage the nosepiece with the
objective in its locking posi-
tion.
Asymmetric image sharp-
ness, e.g. one side is
sharp, one side is blurred.
Nosepiece is not engaged in
its locking position.
Engage the nosepiece in its
locking position (click-di-
aphragm).
Sample is not fixed correctly
on the mechanical stage.
Insert and fix the sample cor-
rectly in the sample holder.
Distinct focus differences
when changing the ob-
jective.
Objective is not screwed in all
the way.
Screw the objective in to the
stop.
Dirt or dust in the field of
view.
Dirt of dust on optical surfaces
of objectives, condensers, fil-
ters or samples.
Low resolution and poor
contrast.
Dirt or dust on optical surfaces
of objectives or condenser.
Tab. 3: Troubleshooting on the microscope
4
2
Instruction Manual ZEISS Axiovert 5 digital | en-US | Rev. 1 | 431030-7021-101
