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102
8. Operation
9. Troubleshooting
Problem
Stand
The microscope does not respond.
Illumination
The image is completely dark.
The image is unevenly or not uniformly illumi-
nated.
The illumination flickers.
The lamp does not illuminate immediately upon
being switched on.
Cause/Remedy
Ensure that the AC outlet has power.
Ensure that the electronics box is connected
to an AC outlet.
Check the cable connections.
Inform Service and have the supply unit fuse
checked.
Open the shutter (→
p. 67).
Check the connections of the lamp housings
on the microscope (transmitted light/fluores-
cence)
Ensure that the lamps are connected to the
power supply and are not defective.
Inform Service and have the ebq 100 supply
unit fuse checked.
Remove all unneeded filters from the light
path.
Center the lamp (→
p. 77ff)
Replace the old lamp (→
p. 45, 49ff).
Be sure that there is no loose connection at
the power supply.
Replace the old lamp (→
p. 45, 49ff).
The ebq 100 must be switched-on repeatedly.
Hot Hg lamps should cool down before
switching on again.