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EXC-500 MICROSCOPE SERIES
ACCU-SCOPE
®
73 Mall Drive, Commack, NY 11725 • 631-864-1000 • www.accu-scope.com
19
TROUBLESHOOTING
(continued)
MECHANICAL PROBLEMS
Problem
Cause
Corrective Measures
Image will not focus with high
power objectives
Slide upside down
Cover glass is to 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 to thick
Diopter adjustment is not set
properly
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
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
Slippage of focus when using
the coarse focusing knob
Tension adjustment is set too
low
Increase the tension on the
focusing knobs
Fine focus is ineffective
Tension adjustment is set too
high
Loosen the tension on the
focusing knobs