Troubleshooting the Reader Module
11-10 DSX™ System Service Manual
Symptom Probable Cause Resolution
Sample value
outside of
measurement
range
Value greater than
maximum readable.
Poor lamp
intensity
regulation
Faulty power supply. Replace power supply.
Faulty lamp control
circuit.
Obstruction on
reference channel
Replace AM Module Main board.
Skewed optics
alignment
Loose optical
component mounting.
Resecure mounting and realign.
Precision Error
Light leaks. Insure covers are secured.
Door not closed. Check for obstructions or broken springs.
Rear panel not
installed.
Install lamp access door.
Lamp Defective Replace Lamp
Filter Defective Replace Filter
Chassis covers not
secured.
Secure Chassis covers
Poor plate
positioning
repeatability
Loose drive belt. Re-tension belt.
Excessive bearing
clearance.
Check plate carrier bearings.
Loose optical
component mounting.
Resecure mounting and realign.
Loss of chassis
electrical ground.
Check ground connections.
Noisy A/D circuit. Replace AM Module Main board.
Excessive external
vibration.
Move unit to a stable bench.
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