Leica CM1950 manual Alternately Longer sufficient

Page 51

		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

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Image 51

Contents Leica CM1950 Page Page Table of contents 12.3 11.112.1 12.2Designated Use Symbols Used in This Manual and Their MeaningImportant Information Qualification of PersonnelSafety and Design General Safety InstructionsUnpacking and Installation Opening the packaging Ramp assembly Transport to the Installation LocationRemoving the packaging Microtome knives Safety FeaturesSecuring/Locking the Handwheel Knife guardCleaning, Disinfection Turning the Instrument Back On Maintenance Handling Specimens DefrostingRemoval of the Microtome Technical Data Refrigeration system CM1950, 50 Hz CM1950, 60 Hz Technical DataSet of filters 5 pieces Standard DeliveryHandwheel, motorized General Overview Control Panel Fields and Cryostat Chamber Left side InstallationSite Requirements Right sideTransport to the Site Assembling the Handwheel Locking/Unlocking the Handwheel Centering the Handwheel OptionalEmergency-stop function active, or Connection to Power Supply System Existing power systemOnly for instruments sold in Japan Selecting the frequency Installation Section waste tray with the a Cutout a facing the user Installing the Storage Systems Optional For reasonsShelf, Movable Optional Inserting the Section Waste TrayInstalling the Heat Conductor Block, Stationary Optional Installation Mark for suction nozzle Control Panel Fields on the CM1950 Control Panel Field Instrument Controls12 o’clock Position 6 o’clock 60.0μm Retraction0μm 20.0μmCoarse feed functions Motion continues as long as the button is heldBrief press of the button retracts the specimen by 20μm Sectioning modes Control panel 3 Motorized sectioning optionalLeica Cryofect is not available in all countries Disinfection Duration 30min Duration 180 minTurning the Instrument On Working with the InstrumentConfiguring the Parameters Working with the Instrument Working with the Instrument Manual defrosting of the specimen cooling Entering the trimming thickness Working with the Precooled Cryostat 8.4.1 Preparatory Work Trimming with Extraction Anti-roll Guide Installed Handwheel position 12 3 o’clock, valve open all the way Shut off VAC LED in VAC button goes out Cutting with Extraction Anti-roll Guide installedSpeed 10μm 40% 60% 80% 100% 20μm 30μm 40μmSpeed Extract. value 1μm 5 μm 40% 60% 80% 100% 10μm Working with the Instrument Troubleshooting Problems During Work Problem Causes Remedies Cryochamber Sections tear Alternately Longer sufficient Tissue type Chamber temperature Temperature Selection Chart in minus COrdering Information Optional AccessoriesCryofect, VPE Leica Cryofect 4x 350ml Lever 7 for clamping the blade When using low-profile blades, the rulerWith anti-roll guide Lever 6 for the lateral shiftBlade holder CE with finger rest for NB + BB Inserting the blade into knife holder CE Will result Unscrew the bolts 35 of the pressure plate Cleaning the knife holder CE Daily cleaningNot Visible Optional Accessories Anti-roll guide system Optional Accessories Specimen discs in various dimensions Optional Accessories General Maintenance Maintenance and CleaningChanging Fuses Replacement of the Lamp/UVC Lamp Installation of the new lamp Yes No indicated below This equipment has been cleaned and decontaminatedDecontamination Certificate master NB Microtome knives must be in boxesBU Return Authorization Number EC Declaration of Conformity Anne De Greef-Safft President Biosystems DivisionWarranty and Service Peoples Republic of China