Trouble Shooting - Leica DM2700 M Instructions Manual

11. Trouble Shooting

Problem
Stand
The microscope does not respond.
Illumination
The image is completely dark.
The image is unevenly or not uniformly illumi-
nated.
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. 70).
Ensure that the lamp/LED in the lamp housing
is not defective and that the lamp housing is
connected to the power supply.
Lamp replacement for LH 107/2 → p. 26f
Lamp replacement for LH 106z → p. 27f
For defective LED, replace lamp housing
Incident Light/Fluorescence
Swing in the brightfi eld cube.
For supply units: Inform Leica Service and have
the supply unit fuse checked.
Remove all unneeded fi lters from the light path.
If present, center the lamp (lamp housing 106z)
(→ p. 41ff).
If present, replace the old lamp (lamp housing
107/2 or 106z) (→ p. 26ff).
11. Trouble Shooting
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