30
HRM-300 Upright Microscope
9. Troubleshooting Guide
Under certain conditions, performance of the microscope may be adversely affected by factors other than
defects. If problems occur, Please review the following list and take remedial action as needed. If you cannot
solve the problem after checking the entire list, please contact Huvitz
Problem
Cause
Remedy
Page
A. Electrical system
1. Lamp dose not
light.
Power cord is unplugged.
Plug power cord into the outlet
Cable of lamp-house is not
connected.
Connect the cable.
36
Lamp is burned out.
Replace the lamp.
35
Wrong type of lamp is used.
Use the correct lamp type.
35
2. Lamp flickers.
Lamp is nearly burned out.
Replace lamp.
35
Power cord or cable of lamp-
house is not connected
securely.
Connect it securely.
36
Lamp is not collected securely.
Insert it securely.
35
B. Optical system
1. Lamp lights, but
field of view is
dark.
Lamp voltage is too low
Adjust brightness with brightness
control knob.
18
Light path selection knob is set
to 100% camera position.
Set to 100% eyepiece position.
25
Aperture and field diaphragm is
stopped down too far.
Open to a suitable size.
27
Condenser is not centered
properly
Center the condenser.
26
Nosepiece is not rotated to a
clickstop position.
Rotate the nosepiece to a click
stop position.
2. Field of view is
vignetted or not
evenly
illuminated.
Light path selection knob is in
an intermediate position.
Set to 100% eyepiece position.
25
Filter selection lever is in an
intermediate position.
Set it to clickstop position.
19
Nosepiece is not attached
properly.
Push the slide dovetail until it is
stopped.
Nosepiece is not rotated to a
clickstop position.
Rotate the nosepiece to a click
stop position.
Condenser is not attached
properly.
Re-attach it.
37
Condenser is not centered
properly.
Center the condenser.
26
Field diaphragm is stopped
down too far.
Open to a suitable size.
26
Lamp is not mounted correctly.
Push the pins of lamp until the stop
position.
35
Summary of Contents for HRM-300
Page 1: ...1 HRM 300 Upright Microscope 표지그림 변경 부탁합니다 ...
Page 17: ...17 ...