Troubleshooting - Leica DM2000 Operating Manual

11. Troubleshooting

11. Troubleshooting
Problem
Stand
The microscope does not respond.
Illumination
The image is completely dark.
The image is unevenly or not uniformly
illuminated.
The illumination "flickers."
60
Cause/Remedy
Make sure that voltage is available.
Make sure that the stand is connected to the
power supply.
Check the cable connections.
Check whether the fuse is defective and re-
place it if necessary (→ p. 65).
Transmitted light:
Ensure that the lamp in the integrated trans-
mitted light illumination is not defective.
Lamp replacement → p. 20f
Fluorescence:
Open the shutter (→ p. 54).
Make sure that the lamps are connected to
the power supply and that they are not defec-
tive.
Lamp replacement → p. 23ff
Inform Leica Service and have the supply unit
fuse checked.
Remove all unneeded filters from the light
path.
Center the lamp (106 z lamp housing) (→ p. 36ff).
Replace the old lamp (→ p. 23ff).
Be sure that there is no loose connection at
the power supply.
Replace the old lamp (→ p. 20f, 23f).