Omax MD827S30 series User Manual

Contents

Omax MD827S30 series User Manual Manual pdf 15 page image

www.microscopenet.com- 13 -6 Troubleshooting GuideGENERAL PROBLEMSProblem Cause SolutionLamp does not lightwhen switched onNo electrical power Check power cord connectionLamp bulb burnt out Replace bulbFuse blown out Replace fuseDarkness at theperiphery or unevenbrightness in thefield of viewRevolving nosepiece not in click stoppositionRevolve the nosepiece to click-stopposition by swinging the objectivecorrectly into the optical pathThe light source of the bulb is not atthe center Adjust the position of the bulbDirt or dust on theviewDirt or dust on the lens eyepiece,condenser, objective, collector lensor specimenClean the lens with a camera cleaningkitPoor image qualityor not able to getfocused imageNo slide cover attached to the slide Attach a 0.17mm slide coverSlide cover is too thick or thin Use a slide cover of the appropriatethickness (0.17mm)Slide may be upside down(specimen at the bottom)Turn slide over so the cover-glassfaces upDiopter adjustment is not setproperly Readjust the diopter settingsImmersion oil is on a dry objective(especially the 40X)Check the objectives, clean ifnecessaryNo immersion oil used with 100Xobjective Use immersion oilAir bubbles in immersion oil Remove bubblesCondenser aperture is closed oropen too much Open or close properlyCondenser is positioned too low Position the condenser upwardSpecimen rises from stage surface Secure the specimen in the slideholderBlue filter not used Use daylight blue filterLamp intensity is too high or low Adjust the light intensity by rotating theintensity control dialSlippage of focuswhen using thecoarse focusingknob Fine focus isineffectiveTension adjustment is set too low Increase the tension on the focusingknobsTension adjustment is set too high Loosen the tension on the focusingknobs