Zeiss Axiovert 5 Instruction Manual page 141

ZEISS
Symptom
No light in eyepiece
Asymmetric image
sharpness, e.g. one
side is sharp, one side
is blurred.
Distinct focus differ-
ences when changing
the objective.
The left and the right
field of view cannot be
brought together in
one image.
Using the microscope
fatigues the eyes.
Dirt or dust in the field
of view.
Tab. 3: Troubleshooting on the microscope
Instruction Manual ZEISS Axiovert 5, Axiovert 5/7 materials | en-US | Rev. 6 | 431030-7011-101
Cause
The system is in ECO mode.
The light intensity is too low.
The light was turned off by an-
other pressing of the respective
RL/TL button.
The reflector module is incor-
rectly installed or absent.
The field diaphragm is closed.
Condenser is not adjusted prop-
erly.
Nosepiece is not engaged in its
locking position.
Sample is not fixed correctly on
the mechanical stage.
Objective is not screwed in all
the way.
Distance of the eyepiece (dis-
tance of the pupils) is not ad-
justed correctly.
Distance of the eyepiece (dis-
tance of the pupils) is not ad-
justed correctly.
Image brightness is unaccept-
able.
Binocular tube is misaligned op-
tically, mechanically.
Opening of the aperture di-
aphragm is too small.
Dirt of dust on optical surfaces
of objectives, eyepieces, con-
densers, filters or samples.
7 Troubleshooting |
Measure
Turn the Intensity/LM knob
clockwise to wake up the sys-
tem.
Turn the Intensity/LM knob
clockwise to increase the light.
Press the RL/TL button accord-
ing to the corresponding indica-
tor in green color.
Check the reflector turret and
make sure the correct reflector
is in use.
Check and, if necessary, open
the field diaphragm.
Re-adjust the condenser, see
Setting Up for Transmitted Light
}
Brightfield Microscopy [
Engage the nosepiece in its
locking position (click-di-
aphragm).
Insert and fix the sample cor-
rectly in the sample holder.
Screw the objective in to the
stop.
Re-adjust the distance of the
eyepiece, see Adjusting the Po-
}
sition of the Eyepieces [
Re-adjust the distance of the
eyepiece, see Adjusting the Po-
}
sition of the Eyepieces [
Adjust the lamp voltage or in-
sert a conversion filter.
Call in service personnel for
check-up/ repair.
Adjust the opening of the aper-
ture diaphragm according to
the 2/3-rule or according to the
texture of the sample, see Set-
ting Up for Transmitted Light
}
Brightfield Microscopy [
Clean the optical surfaces of the
soiled components, see Clean-
}
ing an Optical Surface [
92].
87].
87].
92].
132].
141