OBSERVATION
CAUSE
REMEDY
The specimen slide is upside down
Set the specimen correctly with the
cover glass facing upwards
The cover glass is too thick
Use a cover glass with thickness of
0.17mm
The stage is raised too high
Lower the stage
The slide has slipped from the slide
holder
Re-position the slide in the slide
holder
Slide is of excessive thickness
Use slides with thickness between
0.9 and 1.4mm
9. Bulb/LED does not turn On
Bulb/LED is not mounted
Attach a bulb/LED
Bulb/LED is blown
Replace the bulb/LED
The power cord is unplugged/ Not
firmly secured
Ensure power cord is securely plugged
into the box wall outlet
Fuse is blown
Check and replace with live fuse
Battery is low
Charge battery
10. Bulb/LED blows easily
The specified bulb/ LED is not used Replace with the specified bulb/LED
8. Objective hits the specimen when
an objective is switched to a higher
magnification objective
25
Lx 400
9126000-795
Lx 400
Issue 1.5
Printed on April,2019
