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Electrical Problems
Troubles Causes Corrective Measures
Lamp does not light when
switched on.
No electrical power. Check power cord connection.
(P. 28)
Fuse blown out. Replace fuse. (P. 31)
Power cord not connected to
the microscope.
Connect the power cord to the
AC-IN socket. (P. 28)
Incorrect lamp used. Use the specified lamp. (P. 30)
Lamp bulb not inserted. Insert correctly. (P. 30)
Lamp bulb burnt out. Replace bulb. (P. 30)
Flickering or unstable
lamp brightness.
Lamp bulb about to fail. Replace bulb. (P. 30)
Power cord not correctly
connected.
Connect correctly. (P. 28)
Bulb not correctly inserted into
socket.
Insert correctly. (P. 30)
Sudden lamp failure.
Incorrect lamp used. Use the specified lamp. (P. 30)
Incorrect input voltage. Select the voltage that
corresponds to the voltage
provided in your region using
the voltage selector. (P. 26)
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