Leica RM2245 instruction manual Malfunctions, possible causes and troubleshooting

Page 60

7.Customized solutions

7.1.2 Malfunctions, possible causes and troubleshooting

Following is a list of the most common problems which can arise while working with the instrument, along with possible causes and troubleshooting procedures.

If the malfunction cannot be remedied with any of the options listed in the table, or the problem occurs repeatedly, inform the Leica Service Support immediately.

Problem	Possible cause	Corrective action

•No display; no reaction to buttons pressed after the instrument is switched on.

1.The power cable is not connect- ed correctly.

2.Power fuses are defective.

3.The cable of the control panel is not connected correctly.

4.The voltage selection switch is set incorrectly.

1.Check the connection of the power cable.

2.Replace power fuses (see 8.3).

3.Check the connection of the cable to the control panel.

4.Check the voltage setting and correct it if necessary

(see Chapter 4.4).

• Feed motion no longer occurs.

•The specimen in the residual path area cannot be returned using the coarse feed buttons.

1.The end of the residual path has been reached.

2.The specimen was already within the residual path when the instrument was switched on.

1.STEP mode is still active (LED in SECT button lights up).

1.Select the trim mode by pressing TRIM/SECT. Then return the specimen using the coarse feed button. Then retract the specimen using the coarse feed button.

2.Follow the procedure in Item 1.

1.Press the TRIM/SECT button to switch to trimming mode. Return the specimen using the coarse feed button.

60	Instruction manual V 1.4 – 02/2007

Image 60

Contents Leica RM2245 Page Leica Microsystems Nussloch GmbH Table of Contents Table of Contents Symbols in the text and their meanings Important notesQualification of personnel Intended use of instrumentSafety Safety notesPersonal safety precautions Safety Integrated safety devices Safety Instrument components and specifications Overview instrument componentsLeica RM2245 Instrument specifications Rear side of instrumentTechnical data General Dimensions and weight Basic instrumentControl panel Microtome Startup Standard deliveryInstallation site requirements Setting up the instrumentAssembling the handwheel Electrical connectionsChecking the voltage 23 24 Switching on the instrument Operation Operating elements and their functionsInstrument control panel Control panel Display and control elements Sectioning mode Trimming modeHow to activate the Step function Specimen retraction Mum of 100 μm using the buttons on the control panel Display 4 lights upStep function is disabled in the remaining feed range Indication of remaining horizontal feedObject head Directional fixture for specimen clamps To release the clamp, turn the eccentric lever 29 forwardsImportant! Never turn the screw more than 1/2 Turn at a time Inserting the knife holder Inserting the universal cassette clamp Adjusting the clearance angle Example Enlarged detail showing a clearance angle settingClamping the specimen Clamping the knife / disposable bladeCutting into the specimen trimming Sectioning Changing the specimen or interrupting sectioning Finishing daily routineOptional accessories Assembly for fixture for specimen clampsRigid fixture for specimen clamps Directional fixture for specimen clampsFine-directional fixture for specimen clamps Quick clamping system Specimen clamps and holders Standard specimen clampVee insert Foil clamp type Optional accessories Universal cassette clamp Universal cassette clamp, ice-cooledSuper mega-cassette clamp Holder for round specimens Optional accessories Knife holder E/E-TC To clamp the blade, rotate clamping lever 10 back upwardsOptional accessories Use Knife holder N/NZ Optional accessories Section waste tray BacklightingTray Freezer packInstrument Universal microscope carrier Assembling the universal microscope carrierAttach baseplate Attach horizontal arm Magnifying lens Plug the power plug into the power socket Cold light source Fiber-optic light guideOptional accessories Ordering informationCold light sources Leica CLSFiber-optic light guide Customized solutions Error reportsInstrument malfunctions Malfunctions, possible causes and troubleshooting Problem Possible cause Corrective actionPossible faults Cleaning and maintenance Cleaning the instrumentClean using an alcohol-based solution or acetone Cleaning and maintenance Maintenance Replacing fusesMaintenance instructions Lubricating the instrument Warranty and service WarrantyEC Declaration of Conformity We herewith declare, in exclusive responsibility, thatDag Graupner Managing Director