MAINTENANCE, CHANGING OF FUSES AND SERVICECarl Zeiss Trouble Shooting Axio Scope.A1112 M60-2-0007 e 05/08Problem Cause Fault clearanceCondenser is not adjusted properly. Re-adjust the condenser,see p. 7 3 3 H 7 3 3 H 69 ff.Asymmetric image sharpness, e.g.one side is sharp, one is sideblurred. Nosepiece is not engaged in itslocking position.Engage the nosepiece in its lockingposition (click-diaphragm).Sample is not fixated on themechanical stage.Insert and fixate the sample correctlyin the object holder.Distinct focus differences whenchanging the objective.Focusable eyepieces are not adjustedcorrectly.Adjust the focusable eyepiecesaccording to the vision defect,see p. 7 3 4 H 7 3 4 H 67.Objective is not screwed in all theway.Screw the objective in to the stop.Tube lens is not mounted, or it ismounted unnecessarily.Mount the tube lens or remove it,according to the situation.The left and the right field of viewcannot be brought together in oneimage.Distance of the eyepiece (distance ofthe pupils) is not adjusted correctly.Re-adjust the distance of the eyepiece,see p. 7 3 5 H 7 3 5 H 67.Focusable eyepieces are not adjustedcorrectly.Adjust focusable eyepieces accordingto the vision defect,see p. 7 3 6 H 7 3 6 H 67.Using the microscope fatigues theeyes.Distance of the eyepiece (distance ofthe pupils) is not adjusted correctly onthe binocular tube.Re-adjust the distance of the eyepiece,see p. 7 3 7 H 7 3 7 H 67.Focusable eyepieces are not properlyadjusted.Adjust the focusable eyepiecesaccording to the vision defect,see p. 7 3 8 H 7 3 8 H 67.Image brightness is unacceptable. Adjust the lamp voltage or insert aconversion filter.Binocular tube is misaligned optically,mechanically.Call in service personnel for check-up /repair.Dirt or dust in the field of view. Condenser is not focused properlyand front lens is not in the correct onor off mode.Focus the condenser and turn thefront lens either on or offappropriately,see p. 7 3 9 H 7 3 9 H 69 ff.Opening of the aperture diaphragm istoo small.Adjust the opening of the aperturediaphragm according to the 2/3-ruleor according to the texture of thesample,see p. 7 4 0 H 7 4 0 H 69 ff.Dirt of dust on optical surfaces ofobjectives, eyepieces, condensers,filters or samples.Clean the optical surfaces of thesoiled components.see p. 7 4 1 H 7 4 1 H 109.