SL 350 / SL 450 Slit Lamps - FAQ

SL 350 / SL 450 Slit Lamps - FAQ


ISSUE

CAUSE

SOLUTION












No illumination

The cable isn't connected correctly with

the power socket


Connect the power cable correctly

The main power switch is on "O"

position


Place the switch on "I" position

The plug on the power box is loosen


Insert the plug firmly

The plug on the lamp cap is loosen

The bulb has burnt out

Change the bulb

The fuse has blown

Change the fuse

The bulb is not assembled properly

Assemble the bulb properly

The filter lever is in the middle position

or in the position of gray filter


Set the filter lever to the correct

position


The brightness adjustment knob is at

minimum


Set the brightness adjustment knob

Slit is too dark

Voltage selector is wrongly set

Set the voltage selector correctly

The coat of the reflecting mirror is

oxidized

Too much dust on the reflecting

surface


Change the reflecting mirror


Clean the surface with the brush

Fuse has blown

Voltage selector is wrongly set

Set the voltage selector properly

The fuse doesn't comply with the

specification


Replace it with a suitable fuse

Slit width closes automatically

The slit width control knob is too loose

Adjust the tightness of the control

knob


Fixation bulb is off

The output plug is loose

Insert the output plug firmly



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