Rockwell Automation 2755 Undecoded Hand-Held Scanner - Manual (Page 25)

3–3
Publication 2755-6.1
Problem Probable Cause(s) Corrective Action
Scan Beam Present,
Symbols Not Read
1. Scanner not held at slight
angle to symbol.
2. Scan beam not crossing
entire symbol.
3. Decoder not programmed
to read the type of bar
code you are scanning.
4. Poor quality bar code
symbols.
5. Loose cable connections.
6. Gun adapter not being
used.
1. Hold scanner at an angle
to the symbol.
2. Make sure scan beam
crosses every bar or space
on the symbol.
3. Make sure the decoder is
configured for the type of
bar code symbols you are
scanning.
4. Use the symbols provided
on the inside back cover
for testing.
5. Check for loose cable
connections.
6. If you are connecting the
scanner to a High Speed
or Enhanced decoder, you
must use a Gun Adapter
(Catalog No. 2755-NC16,
Series B).