EXC-100 MICROSCOPE SERIES
73 Mall Drive, Commack, NY 11725 • 631
-864-
1000 •
www.accu-scope.com
16
Problem
Cause
Corrective Measures
Image moves while focusing
Specimen rises from stage surface
Revolving nosepiece is not in the
click-stop position
Secure the specimen in the slide
holder
Revolve the nosepiece to the
click-stop position
Image is too bright
Lamp intensity is too high
Adjust the light intensity by rotating
the intensity control dial and/or iris
diaphragm
Insufficient brightness
Lamp intensity is too low
Aperture diaphragm closed too far
Condenser position too low
Adjust the light intensity by rotating
the intensity control dial and/or iris
diaphragm
Open to the proper setting
Position the condenser slightly
lower than the upper limit
MECHANICAL PROBLEMS
Image will not focus with high
power objectives
Slide upside down
Cover glass is too thick
Turn the slide over so the cover
glass faces up
Use a 0.17mm cover glass
High power objective contacts
slide when changed from low
power objective
Slide upside down
Cover glass is too thick
Diopter adjustment is not set
properly
Focus travel set too high
Turn the slide over so the cover
glass faces up
Use a 0.17mm cover glass
Readjust the diopter settings as
outlined in section 4.3
Set the focus travel lower
Lamp does not light when switched
on
No electrical power
Lamp bulb burnt out
Fuse blown out
Check power cord connection
Replace bulb
Replace fuse
