Troubleshooting - Unitron Versamet 4 Manual

TROUBLESHOOTING

MECHANICAL PART
PROBLEM
The coarse adjustment knob is
too difficult to rotate
The image goes out of focus
during observation or the stage
drops by itself
ELECTRICAL SYSTEM
PROBLEM
The lamp doesn't light
The light intensity is not
enough
The lamp keeps burning out
The lamp flickers or the
brightness is not stable
MISCELLANEOUS
When using a camera and
viewing on a monitor, a
reflection from a window or
indoor lighting is seen in the
image
UNITRON
VERSAMET 4 INVERTED METALLURGICAL MICROSCOPE
(continued)
The tension adjustment ring is tightened too
much
The tension adjustment collar is too loose
No power to the lamp
The lamp is not installed correctly
The lamp burns out
The light intensity control knob is not set
properly
The wrong lamp is used
The wrong lamp is used
The lamp will burn out soon
The power supply doesn't connect well
The stray light entered through the eyepieces
or viewfinder is reflected
73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com
CAUSE
CAUSE
SOLUTION
Loosen it
Tighten it
SOLUTION
Check the power cord is connected correctly
Install it correctly
Replace the lamp
Adjust the light intensity control knob
Replace the lamp with the correct one
Replace the lamp with the correct one
Replace the lamp
Connect the power supply correctly
Cover both eyepieces to prevent stray light
from entering
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