3002 MICROSCOPE SERIESACCU-SCOPE® 73 Mall Drive, Commack, NY 11725 • 631-864-1000 • www.accu-scope.com 22TROUBLESHOOTING (continued)MECHANICAL PROBLEMSProblem Cause SolutionImage will not focus withhigh power objectiveSlide upside down Turn the slide over so thecoverglass faces upCover glass is too thick Use a 0.17mmcoverglassHigh power objectivecontacts slide whenchanged from low powerobjectiveSlide upside down Turn the slide over so thecoverglass faces upCover glass is too thick Use a 0.17mmcoverglassDiopter adjustment is not set properly Readjust the dioptersettingsLamp does not light whenswitched onNo electrical power Check power cordconnectionLamp burnt out Replace lampFuse blown out Replace fuseSlippage of focus whenusing the coarse focusingknobTension adjustment is set too low Increase the tension onthe focusing knobsFine focus is ineffective Tension adjustment is set too high Loosen the tension on thefocusing knobs