Nikon ECLIPSE Ti2-U - Pillar for Dia Illumination and Condenser; Stage; Nosepiece and Focusing Device; Epi-Fluorescence Attachment

Chapter 5 Troubleshooting
114
5.2.3 Pillar for Dia Illumination and Condenser
Problem Check item
The field diaphragm image is invisible
even though the field diaphragm is
stopped down.
󱹕
Switch the objective to a lower-magnification objective. ( ☞ 3.9.1)
󱹕
Focus on the condenser. ( ☞ 3.4.2)
The condenser does not move down.
󱹕
Release the condenser refocusing clamp. ( ☞ 3.4.2)
󱹕
Check the installation position of the condenser elevating section. ( ☞ 7.8.2)
The condenser cannot be centered.
󱹕
Check if the centering screw is missing. ( ☞ 3.4.3)
󱹕
Correctly adjust the centering screw. ( ☞ 3.4.3)
Do not turn the condenser module centering screw.
The condenser moves down.
󱹕
Turn the condenser focus knob on both sides in the tightening direction to increase
the rotational torque. (
☞ 3.4.2)
The polarizer rotation lever does not
turn.
󱹕
Loosen the rotational part clamp screw. ( ☞ 3.5.1)
The contrast shield cannot be
attached.
󱹕
Select a contrast shield (for LWD or ELWD) according to the condenser to be used.
(
☞ 7.9)
󱹕
Select a position suitable for the contrast shield from the two positions. ( ☞ 7.9)
5.2.4 Stage
Problem Check item
The drive range of the stage is small.
󱹕
Release the stroke limit. ( ☞ 7.7.4)
The position of the specimen is
unintentionally changed.
󱹕
Secure the specimen using the stage clip or the well clamper. ( ☞ 3.8)
5.2.5 Nosepiece and Focusing Device
Problem Check item
The image is split.
󱹕
Remove the DIC slider. ( ☞ 3.9.2)
The objective contacts the specimen.
󱹕
Set the objective refocusing lever. ( ☞ 3.11.3)
The objective does not move up.
󱹕
Release the objective refocusing lever. ( ☞ 3.11.3)
The rotational torque of the focus
knobs is large or small.
󱹕
Adjust the rotational torque by turning the coarse-focus knob torque adjustment ring.
(
☞ 3.11.2)
The objective contacts the specimen or
the specimen holder during nosepiece
rotation.
󱹕
Move down the objective, and then turn the nosepiece. ( ☞ 3.9.1)
5.2.6 Epi-fluorescence Attachment
Problem Check item
When epi-illumination is turned on,
illumination does not reach the
specimen.
󱹕
Open the FL turret shutter. ( ☞ 3.12.2)