Dynex DSX - 11.2 Troubleshooting the Reader Module

Troubleshooting the Reader Module
11-4 DSX™ System Service Manual
11.2 Troubleshooting the Reader Module
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Note: The Reader Module is a service replaceable item. If a defect is
observed, the normal response is to replace the module. Replacement or
repair of specific items should be performed only on as needed basis if
replacement of the module is not possible and the service engineer has the
appropriate components on hand. After the module has been repaired, use
the alignment plate to ensure that the module is properly aligned.
11.2.1 Error Messages upon Power up
When the DSX is powered up, the module goes through the self-test described in
Section 9.2.3. If a fault is observed, an error message is presented as follows:
Symptom Probable Cause Resolution
Front Sensor
Failed ON
Sensor plugged into
the wrong connector.
Check connections.
Sensor wiring
shorted or open.
Replace sensor.
Sensor slot is
blocked by debris.
Clean sensor.
Rear Sensor
Failed OFF
Plate carrier not fully
retracting.
Check for obstructions.
Locating pin not
blocking the sensor.
Check height of pin.
Bent locating pin. Straighten/replace pin.
Sensor plugged into
the wrong connector.
Check connections.
Sensor wiring
shorted or open.
Replace sensor.
Front Sensor
Failed ON, Rear
Sensor Failed
OFF
Check the conditions
listed for the
individual error
above.
See above.