Dynex DSX - Page 197

Troubleshooting the Reader Module
DSX™ System Service Manual 11-7
Symptom Probable Cause Resolution
Incorrect/
Inconsistent OD
Readings
Dust or grease on the
lamp or reflector.
Clean dust from lamp using a photographic
blower. If lamp is contaminated with greasy
deposits, replace.
Cracked heat filter, or
dirty or cracked
aspheric lens.
Replace heat filter.
Dirty or cracked filter. Clean or replace aspheric lens.
Lens strip, lens stop
or collector ferrule is
dirty.
Clean or replace filter. Clean or replace lens
strip.
An optical fiber is
damaged.
Replace Fiber Optic Array.
Light is entering the
reading chamber.
Check that the front door closes correctly.
There is a fault on
the AM Module Main
board.
Replace AM Module Main board.
Lamp does not
light
Lamp has blown. Replace lamp.
Loose connections. Check the connections to the lamp assembly.
There is a fault on
the AM Module Main
board.
Replace AM Module Main board.
Lamp is
permanently on.
There is a fault on
the AM Module Main
board.
Replace AM Module Main board.
Plate and/or filter
motors run at the
incorrect speed.
There is a fault on
the AM Module Main
board.
Replace AM Module Main board.
Plate carrier does
not move to the
home position
Plate home sensor is
faulty.
Replace faulty sensor.
There is a fault on
the AM Module Main
board.
Replace AM Module Main board.