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6
TROUBLESHOOTING
PROBLEM
REASON FOR PROBLEM
SOLUTION
Light fails to operate.
Light switch in off position.
Fuse blown.
Turn light switch on.
Replace fuse.
LED bulb burned out.
Disc diaphragm has not “clicked”
into proper position and is
blocking light source beneath
stage.
Replace LED.
Turn disc diaphragm until it “clicks” into
position.
Image does not focus
Cover slip on specimen slide too
thick.
Use 0.17mm thick cover slip.
(No. 1 cover slip)
Slide upside down.
Place slide on stage with cover slip
facing up.
Poor resolution
(Image not sharp)
Objective lenses dirty.
Clean objective lenses.
Eyepiece lens dirty.
Clean eyepiece lenses.
Too much light.
Adjust disc diaphragm
Spots in field of view.
Eyepiece lens dirty.
Clean eyepiece lenses.
Specimen slide dirty.
Clean slide.
OPTIONAL ACCESSORIES AND PARTS:
#800-001
Replacement LED light
#801-160
Replacement fuse, 0.5 amps, time delay.
WARRANTY - 5 YEAR LIMITED WARRANTY
(11/28/06)