Documentation set
10 Troubleshooting
SL 800
10.1 Malfunctions
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10 Troubleshooting
10.1 Malfunctions
Unexpected behavior
Cause
Remedy
Slit illumination is dark.
Power supply unit is not connected
to the power supply.
u
Connect the power supply
unit to the power supply.
The device is switched off (green
light beside the power switch of
the power supply unit is not illumi-
nated).
u
Switch on the device at the
power switch.
Cable between power supply unit
and slit lamp is not correctly
connected.
u
Check the cable connection
between slit lamp basis and
the power supply unit.
Brightness control is set to 0.
u
Turn the brightness control
clockwise (maximum at right
stop).
Slit width is set to 0.
u
Enlarge the slit width.
The red filter of the filter wheel
and the blue filter of the slit length
adjustment are positioned one
above the other.
u
Change either the position of
the filter lever or the slit
length.
The device is in EcoMode (slowly
pulsating green lamp on the
power supply unit).
u
Move the device from one
side to the other using the
joystick or change the magni-
fication.
The indicator lamp on the rear of
the power supply unit flashes
green.
A fault has occurred in the
electronic system of the device.
The usability of the device is not
necessarily restricted by this.
u
Switch the device off and on
again.
The slit image is not homogenous.
The setting of the slit length is
between the click-stops.
u
Turn the slit length control
until you can feel the click-
stop.
The filter lever is positioned
between click-stops.
u
Turn the filter lever until you
can feel the click-stop.
The diffusor is swiveled in (partly).
u
Swivel out the diffusor
completely from the beam
path.
The magnification is difficult to
change.
Your device is provided with a
motorized magnification changer.
You can see this by the fact that
the magnification changer only has
a rotary knob labeled with magni-
fication levels on one side.
u
Use the AutoView buttons on
the instrument base to change
the magnification.
Summary of Contents for SL 800
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