Nikon eclipse E200 - Mechanical Troubleshooting; Focusing Issues with High-Power Objectives; Objective Contact Issues; Focal Point Differences Between Objectives

Chapter 8 Troubleshooting Tables
1 Optical
80
Image tinged yellow.
Causes Corrective Measures
Blue filter not used.
Use blue filter. (P.70)
Lamp voltage too low.
Adjust the voltage by rotating the
brightness control dial. (P.54)
Image too bright.
Causes Corrective Measures
Lamp voltage too high.
Adjust the voltage by rotating the
brightness control dial. (P.54)
Insufficient brightness.
Causes Corrective Measures
Lamp voltage too low.
Adjust the voltage by rotating the
brightness control dial. (P.54)
Aperture diaphragm closed too far.
Open properly. (P.59)
Condenser position too low.
If the microscope is equipped with a
field diaphragm, correct positioning so
that the field diaphragm image is
focused on the specimen surface. (P.57)
If the microscope is not equipped with a
field diaphragm, position the condenser
slightly lower than the upper limit.
Incorrect input voltage.
Using the voltage selector, select the
voltage that corresponds to the voltage
provided in your region. (P.68)
(Also see the causes and corrective measures for electrical problems.)