Leica CM1950 manual Alternately Longer sufficient

		9. Troubleshooting
Problem	Causes	Remedies
No or insufficient	Cooling system or electronic drive	Call technical service.
refrigeration of the	defective.
cryochamber
Sliding window collects	Air humidity and room temperature	Comply with the requirements
condensation	too high.	for the installation site.
No or insufficient	Cooling system or electronic drive	Call technical service.
refrigeration of the	defective.
specimen
Lamp does not work	Lamp defective.	Check lamp and replace it, if
		necessary.
	Switch defective.	Call technical service.

Both disinfection LEDs flash	UV radiation provided by UV tube no
alternately	longer sufficient.

Replace UV tube following the manufacturer’s instructions.

Image of an open-ended wrench	Contact technical service and
appears due to fault to be rectified.	follow the instructions given.

Leica CM1950 Cryostat 51