Chapter 5 Troubleshooting
101
Problem Cause Countermeasure
A wrong objective is used. Place an appropriate objective into the optical
path. (p.32)
The orientation of the polarizer is wrong. Adjust the orientation of the polarizer correctly.
(p.44)
Uneven colors are seen or low
contrast image is seen in the DIC
microscopy.
Dust exists on the objective, the condenser or
the sample.
Clean it. (Pay great attention to dust for the DIC
microscopy.) (p.102)
The combination of the objective and the DIC
prism is wrong.
Place the DIC prism suitable for the objective
into the optical path. (p.46)
No sensitive color is seen in the
DIC microscopy or the polarization
microscopy.
No λ plate is placed in the optical path. Place it into the optical path. (p.45, 49)
5.2 Electrical System Problems
Problem Cause Countermeasure
No power cord is plugged in. Or, the power
cord is not connected securely.
Connect the power cord correctly.
(p.97)
No lamp is attached. Attach a lamp. (p.78)
The lamp is blown. Replace the lamp with a new one.
(p.78)
The lamp does not light even
though the power switch is turned
on.
A wrong lamp is used. Use the specified lamp.
(Refer to “7. Specifications.”)
The lamp is about to blow. Replace the lamp with a new one. (p.78)
The power cord or the cable of the lamphouse
is not connected securely.
Connect the power cord and the lamphouse
cable securely.
(p.77, 97)
The lamp is not securely inserted into the
socket.
Insert the lamp securely. (p.78)
The lamp flickers, or its brightness
is unstable.
The lamphouse is not connected securely. Connect the lamphouse securely.
(p.77)
The brightness control dial does
not function.
Internal/External brightness control
changeover switch is set to ON (external
mode).
Set the Internal/External brightness control
changeover switch to OFF (internal mode).
(p.30)
The address for the objective is
not displayed.
Cable is not connected. Securely connect the cable. (p.79)
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