DS2400N
6
TROUBLESHOOTING GUIDE
Problem Suggestions
Power On:
the “Power
On”/”Ready” LED is
not lit
Is power connected?
If using a power adapter (like PG 220), is it connected to a
wall outlet?
If using rail power, does rail have power?
If using C-Box 100, does it have power (check switch and
LED)?
Measure voltage either at pin 13 and pin 25 (for 25-pin
connector) or at spring clamp 1 and 2 (for C-BOX 100).
On line Mode:
EXT TRIGGER LED
is not lit (when
external trigger
activates)
Is sensor connected to EXT TRIG pins (18 and 19 for 25-
pin connector)?
Is power supplied to photo sensor?
Is power supplied to EXT TRIG+ (NPN output)?
Is EXT TRIG- grounded (PNP output)?
Is the correct polarity observed (current flowing from EXT
TRIG+ to EXT TRIG-)?
Are the photo sensor LEDS (if any) working correctly?
Is the sensor/reflector system aligned?
On line Mode:
EXT TRIGGER LED
is correctly lit but
nothing happens (no
reading results)
Is the software configuration consistent with the application
condition (operating mode etc.)?
In the Genius™ program select the OPERATING MODE
tab and check for related parameters
Serial On line
Mode:
the reader is not
triggered (no reading
results)
In the Genius™ program select the OPERATING MODE
tab and check if serial on line is enabled as operating
mode
Are the Start – Stop characters correctly assigned?
Is the serial trigger source correctly connected and
configured?
On line Mode and
Serial On Line:
Reader doesn’t
respond correctly to
the expected
external signals end
In the Genius™ program select the OPERATING MODE
tab and check the TIMEOUT parameterization.
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