MAINTENANCE, CHANGING OF FUSES AND SERVICEAxio Scope.A1 Trouble Shooting Carl ZeissM60-2-0007 e 05/08 1115.3 Trouble ShootingProblem Cause Fault clearancePush rod/gear knob vis/fot on thephoto tube is not in correct functionalposition (interposition).Bring the push rod/gear knob vis/foton the photo tube in the correctfunctional position (end position).Shading or brightness irregularitiesin the field of view of themicroscope; the field of view is notfully visible. Nosepiece with objective is not fullyengaged in its locking position.Engage the nosepiece with theobjective in its locking position.Condenser is not adjusted correctly. Adjust the condenser correctly(adjustment, centering),see p. 7 2 8 H 7 2 8 H 69 ff.Aperture diaphragm is not adjustedcorrectly.Adjust the aperture diaphragmcorrectly (centering, opening),see p. 7 2 9 H 7 2 9 H 69 ff.Field diaphragm is not adjustedcorrectly.Adjust the field diaphragm correctly(centering, opening),see p. 7 3 0 H 7 3 0 H 69 ff.Filter is not correctly inserted in itscompartment.Insert the filter correctly.Low resolution and poor contrast. Opening of the aperture diaphragm isnot adjusted correctly.Adjust the opening of the aperturediaphragm according to the 2/3-ruleand the texture of the sample you areusing,see p. 7 3 1 H 7 3 1 H 69 ff.Condenser is not focused correctlyand front lens is not connectedcorrectly.Focus the condenser and turn thefront lens correctly on or off,see p. 7 3 2 H 7 3 2 H 69 ff.Wrong thickness of the frame glasswhen using a transmitted lightobjective with a frame glass thicknessof 0.17 mm.Use standardized frame glasses with athickness of 0.17 mm.Object carrier is not inserted correctly. Turn the object carrier over, thesample side shows up.No immersion oil or an unspecifiedimmersion oil is used with immersionobjectives.Use immersion oil 518 N or 518 F byCarl ZeissAir bubbles in the immersion oil. Repeat the oiling procedure with freshoil.Immersion oil on the front lens of adry objective.Clean the lensCorrection setting is not set to theproper thickness of the frame glass.Adjust the correction setting to thecorrect thickness of the frame glassDirt or dust on the optical surfaces ofobjectives, eyepieces, condensers orfilters.Clean the soiled optical component
