6. TROUBLESHOOTING
6. Troubleshooting
Problem
Stand
The microscope does not respond.
Illumination
The image is completely dark.
The image is not uniformly illuminated.
Brightfield
The specimen cannot be brought into focus.
Cause/remedy
Ensure that the AC outlet has power.
Make sure that the electronics box or the microscope is
connected to the power supply.
Check the cable connections.
Inform Service and have the supply unit fuse checked.
Open the shutter.
Check the connection of the lamp housing to the micro-
scope (Transmitted Light).
Ensure that the lamps are not defective.
Check the connection of the EL6000 compact light source
(fluorescence).
Switch over to the active port.
Inform the service department and have them check
whether a fuse is defective.
Remove all unneeded filters from the light path.
Use the correct immersion medium.
Place the specimen with the cover slip downward onto
the stage.
Make sure that the thickness of the cover slip is correct
and corresponds to the specifications on the objective.
Make sure that you are using an objective with cover slip
correction.
Adjust the correction ring if present on the objective.
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