56
Problem
Cause
Remedy
Page
1. Optical systems
a) The main switch does not turn
ON.
The power cord is not connected
completely.
Connect the cord completely.
74
b) The lamp turns ON and OFF.
The lamp is about to burn out.
Replace with a new lamp.
48, 50
c) The lamp does not turn ON.
The lamp is burned out.
Replace with a new lamp.
48, 50
The lamp is not attached.
Attach the lamp.
48, 50
d) The lamp burns out quickly.
You are not using the proper lamp. Replace with a proper lamp.
4
e) Even though the lamp turns
ON, the field of view is dark.
The field diaphragm and aperture
diaphragm are narrowed down.
Open the aperture diaphragm
sufficiently, and also open the
field diaphragm until the field
diaphragm circumscribes the field
of view.
26, 27
The light path selection knob is not
at the proper observation light path
position.
Set it at the proper light path
position.
18
The ND filter with low transmittance
is engaged in the light path.
Select the proper transmittance.
28
f) The field of view is obscured or
is not evenly illuminated.
The light path selection knob is at
the middle position.
Move the knob to the stop position
according to the purpose.
18
The revolving nosepiece is not set
to the click position properly.
Set it to the click position properly.
20
The lamp housing is not attached
correctly.
Attach it properly.
48, 50
The scale slider or the dummy
slider is at the middle position.
Push it to the stop position
completely.
80
The eyepiece/camera light path
selection knob is at the middle
position.
Move the knob to the stop position
according to the purpose.
18
The field diaphragm is narrowed
down too far.
Open the field diaphragm
sufficiently.
27
The field diaphragm is not
centered.
Center the field diaphragm.
27
The polarizer and the analyzer are
at the middle position.
Slide them to the stop position
according to the purpose.
35
The filter slider is at the middle
position.
Set it to the click position properly.
28
The revolving nosepiece is not
attached correctly.
Push it to the stop position
completely and fix it.
68
The BF/DF selection lever is at the
middle position.
Set it to the click position properly.
17
77
Troubleshooting
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 Olympus for assistance.
