Seiler Microlux IV, Руководство по эксплуатации

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6.4 Replacement of fuse (shown in Fig. 8)
6.4.1 Cut off power of microscope and pull out th plug.
6.4.2 Unscrew fuse cap in the back of the base. Remove old fuse.
6.4.3 Replace with a new fuse and screw on fuse cap.
7. Troubleshooting
In the period of using, if any trouble occurs, please refer to the following chart for some common resolutions.
Trouble
Power on but
no light
Brightness of view
field isn’t enough
or uneven
Cause
Plug is unreliable
Bulb is broken
Fuse is broken
Brightness isn’t
adjusted correctly
Objective isn’t in
correct position
The size of iris
aperture is too small
Remedy
Plug in again
Change bulb
Change fuse
Adjust rotation
potentiometer
Put the objective
in correct position
Adjust the size of
iris aperture
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