Troubleshooting
Improper use of the microscope may adversely affect its performance even though it will not
damage the microscope. If any of the problems listed below arise, take the countermeasures
indicated.
5.1 Viewing and control systems
Table-7 Troubleshooting (viewing and control systems)
Trouble Causes Countermeasures
Lamp is not installed correctly. Install it correctly.
(See “4.4 Attaching the
lamphouse and replacing the
lamp”.)
DIC, analyzer and polarizer sliders
in the intermediate position.
Press in or pull out to the
click-stop position.
(See from “3.11 Polarizer
slider” to “3.13 DIC slider”.)
Optical path selection lever is not
positioned correctly.
Optical path selection lever is set
for 100% vertical tube.
Press in the lever for 100%
binocular part.
(See “3.3.1 Optical path
selection”.)
Filter sliders are not positioned
correctly.
Slide in or out the sliders
correctly.
(See “3.1 Filters”.)
Dark-field/bright-field/fluorescent
selection lever is not positioned
correctly.
Push in or pull out the lever to
the click-stop position. (See
“3.7 Changing the
illumination”.)
Vignetting in the viewfield.
Uneven brightness in the
viewfield.
Entire viewfield cannot be
seen.
Focusing target lever in the
intermediate position.
Push in to the limit.
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