Routine Maintenance/Service Procedures
DSX™ System Service Manual 11-1
Chapter 11 Servicing the Reader Module
11.1 Routine Maintenance/Service Procedures
The service engineer is expected to be able to replace the lamp and change the filters on the
Reader Module on the DSX Automated ELISA System. Typically, the filters are installed on
a unit for a specific application and need not be changed unless they become cracked or
cloudy, which may lead to a loss of transmission. If the application for the DSX Automated
ELISA System is changed, it may be necessary to install different filters.
If the Reader Module is defective, the normal service mode is to remove the reader module
and replace it with a new module (except for lamp and filter replacement). When the module
is replaced, use the alignment plate to verify that the module is properly aligned.
11.1.1 Replacing the Lamp
CAUTION: THE OPTICS ASSEMBLY MAY BE HOT. ALLOW
AT LEAST FIVE MINUTES FOR THE INSTRUMENT TO COOL
BEFORE OPENING THE OPTICS ASSEMBLY.
To Replace the Lamp:
1 Remove the Reader Module from the system by rotating the two Allen screws
counter clockwise ¼ turn and pulling the module from the system.
2 Remove the Filter Access panel on the rear of the Reader Module to expose the
optical assembly. The bulb is mounted in the upper portion of the optical
assembly.
CAUTION: WEAR GLOVES WHEN THE LAMP IS BEING
REPLACED.GLOVES ARE NECESSARY TO PREVENT SKIN
OILS FROM DAMAGING THE LAMP. GLOVES ARE ALSO
WORN AS A SAFETY PRECAUTION SHOULD THE GLASS
BULB ACCIDENTALLY BREAK DURING REPLACEMENT OF
THE LAMP.
3 Grasp the lamp with plastic tweezers and pull the lamp out of its receptacle.
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