TROUBLESHOOTING GUIDE
1-3
Page
Phenomenon
Cause
Treatment
Manual Ref. Pages
5. Image looks poor.
The fluorescent dye does not
match the barrier filter.
Select the barrier filter
matching the fluorescent
dye.
Change the ND filters by
reading 1-2-7, “Selecting the
ND Filter” in OPERATION
INSTRUCTIONS.
1-2-7, OPERATION
INSTRUCTIONS
The excitation light is weak. Increase the transmittance
of the ND filter.
1-2-7, OPERATION
INSTRUCTIONS
The installation location is
subject to large vibrations.
Consult Olympus.
-
6. Image is irregularly
blurred or the
brightness is uneven.
The specimen is tilted.
Set the specimen
horizontally.
Instruction manual
of microscope
7. Image is flared.
Non-fluorescent glass is not
used.
Use non-fluorescent glass.
-
The cover glass thickness is
not optimum.
Use a cover glass with a
thickness of 0.17 mm.
-
The specimen is over-
stained.
Stain it properly again or
increase the OFFSET value.
2-2-1-4-9,
OPERATION
INSTRUCTIONS
8. Circular flare is
observed at the center
of image.
The excitation wavelength
does not match the barrier
filter type or the barrier filter
is not used.
Select suitable barrier filter
for the excitation length.
1-2-6 & 1-3-2-4,
OPERATION
INSTRUCTIONS
9. Image is blurred or out
of focus.
The focusing is not correct. Adjust focusing with visual
observation.
Instruction manual
of microscope
10. Image is dark and
noisy.
The fluorescent dye is pale. Apply optimum fluorescent
dye.
-
The pinhole diameter is too
small.
Adjust to an optimum size.
1-3-2-5,
OPERATION
INSTRUCTIONS
The HV of photomultiplier
tube exceeds 800.
Set HV at no more than 800.
If the image is still dark,
adjust GAIN.
2-2-1-4-9,
OPERATION
INSTRUCTIONS
The scan speed is too high. Decrease the scan speed or
integrate the image.
1-2-8-9 & 2-2-1-6,
OPERATION
INSTRUCTIONS
The excitation light is weak. Increase the transmittance
of the ND filter.
1-2-7, 1-3-2-4 & 2-
2-1-4-10,
OPERATION
INSTRUCTIONS
11. The position
reproduction of the Z-
motor is poor.
The Z-position fluctuates
because the coarse
movement knob of
microscope is too light.
Make the microscope’s
coarse movement knob
heavier by turning the
microscope’s rotation
tension adjustment ring.
Instruction manual
of microscope
Summary of Contents for FLUOVIEW FV500
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