16
15120-101 Rev. D
Troubleshooting
The following chart outlines some common issues with the Xcel 255 Slit Lamp and some steps you can take
to correct the issue. If problems persist, please contact the Reichert as listed in the Introduction section of
this manual.
Chart of Common Errors
ISSUE PROBABLE CAUSE POSSIBLE SOLUTION
Lamp won’t turn on.
Incorrect input power supplied to
the Xcel 255 Slit Lamp.
Check the outlet to ensure proper power is
being supplied.
Defective Power Cord. Replace the Power Cord.
Bulb may be blown out. Replace Bulb.
Defective Power Supply. Replace the Power Supply.
Slit Lamp won’t move.
Rubber stopper may be attached
under the joystick.
Remove the rubber stopper.
Base Lock Screw may be tightened. Loosen the Base Lock Screw.
Rough base
movement.
Rubber stopper may be attached
under the joystick.
Remove the rubber stopper.
Bearings may be damaged. Replace the base.
Shaft may be damaged. Replace the base.
Fixation light does not
light up.
Fixation Light Harness not plugged
into the Power Supply Assembly.
Ensure the Fixation Light Harness is properly
seated in the Power Supply Assembly.
Defective Power Supply. Replace the Power Supply.
Light too dim.
Incorrect wattage for bulb being used. Replace with the proper Bulb.
Bulb not installed properly.
Check bulb and ensure notch lines up with
bulb housing.
Double slit visible in
microscope.
Microscope not focused on focusing
rod before use.
Install focusing rod and check to ensure
microscope is focused on it.
Bulb not installed properly.
Check bulb and ensure notch lines up with
bulb housing.
The following is a checklist of items that need to be assessed in order to determine if the Xcel 255 Slit Lamp
requires servicing.
Check the outside of the slit lamp for any damage or missing components.•
Inspect the power cord for damage.•
Test the lamp by turning the lamp on and turning the light all the way to it’s brightest setting, and all •
the way down to it’s lowest setting.
Check to ensure all switches are functioning properly.•
Check the Filters by cycling through all the options.•
Check the Slit Wheel by cycling through all the options.•
Check the base movement.•
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