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Leica CM1950 Cryostat
51
Problem Causes Remedies
No or insufficient
refrigeration of the
cryochamber
Sliding window collects
condensation
No or insufficient
refrigeration of the
specimen
Lamp does not work
Both disinfection LEDs flash
alternately
Cooling system or electronic drive
defective.
Air humidity and room temperature
too high.
Cooling system or electronic drive
defective.
Lamp defective.
Switch defective.
UV radiation provided by UV tube no
longer sufficient.
Image of an open-ended wrench
appears due to fault to be rectified.
Call technical service.
Comply with the requirements
for the installation site.
Call technical service.
Check lamp and replace it, if
necessary.
Call technical service.
Replace UV tube following the
manufacturer’s instructions.
Contact technical service and
follow the instructions given.
9. Troubleshooting