EXC-400 MICROSCOPE SERIES
ACCU-SCOPE
®
73 Mall Drive, Commack, NY 11725 • 631-864-1000 • www.accu-scope.com
22
MECHANICAL PROBLEMS
(continued)
Problem
Cause
Corrective Measures
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
Summary of Contents for EXC-400 Series
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