7 Troubleshooting |
ZEISS
7 Troubleshooting
The following table provides information about solving common problems.
Info
If you cannot solve the problem or if you are unsure about a certain technical difficulty, con-
tact your local ZEISS service representative.
Symptom
Cause
Measure
No illumination light after
switching on the micro-
scope.
Nosepiece and/or reflector tur-
ret are not engaged to defined
positions.
Move the nosepiece and/or re-
flector turret to the left or
right to engage the nosepiece
and/or reflector turret to de-
fined positions. Then restart
the microscope.
Shading or brightness ir-
regularities in the field of
view of the microscope;
the field of view is not
fully visible.
The vis/phot push-pull rod/
shift knob on the photo tube
is not in correct functional po-
sition (in-between position)
Move the vis/phot push-pull
rod/shift knob to the correct
functional position (end posi-
tion).
Nosepiece with objective is
not fully engaged in its locking
position.
Engage the nosepiece with the
objective in its locking posi-
tion.
Condenser is not adjusted cor-
rectly.
Adjust the condenser correctly
(adjustment, centering), see
Setting Up for Transmitted
Light Brightfield Microscopy
Using the KÖHLER Method
[
.
Aperture diaphragm is not ad-
justed correctly.
Adjust the aperture diaphragm
correctly (centering, opening),
see
Light Brightfield Microscopy
Using the KÖHLER Method
[
.
Field diaphragm is not ad-
justed correctly.
Adjust the field diaphragm
correctly (centering, opening),
see
Light Brightfield Microscopy
Using the KÖHLER Method
[
.
Filter is not correctly inserted
in its slot.
Insert the filter correctly.
Low resolution and poor
contrast.
Opening of the aperture di-
aphragm is not adjusted cor-
rectly.
Adjust the opening of the
aperture diaphragm according
to the 2/3-rule and the texture
of the sample you are using,
see
Light Brightfield Microscopy
Using the KÖHLER Method
[
.
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Instruction Manual ZEISS Axioscope 5, Axioscope 5/7 MAT | en-US | Rev. 13 | 430035-7344-001