Symbol LS 4208 - Troubleshooting

Problem Possible Causes Possible Solutions
Beeper Indications
The scanner emits frequent beeps. No power to the scanner. Check the system power. If the configuration
requires
a
power
supply,
re-connect
the
power
Incorrect host interface cable is
used.
Verify that the correct host interface cable is used.
If
not,
connect
the
correct
host
interface
Interface/power cables are loose. Check for loose cable connections and
re-connect
cables.
Scanner emits low/high/low beeps. ADF transmit error. Refer to the Advanced Data
Formatting
Programmer
’
s
Guide,
p/n
72-69680-xx,
for
Invalid ADF rule is detected. Refer to the Advanced Data
Formatting
Programmer
’
s
Guide,
p/n
72-69680-xx,
for
Scanner emits low/high beeps. Input error, incorrect bar code or Cancel bar
code
was
scanned.
Scan the correct numeric bar codes within range
for
the
parameter
programmed.
Scanner emits low/high/low beeps. The Code 39 buffer was erased or there was
an
attempt
to
clear
or
transmit
an
empty
buffer.
Normal when scanning the Code 39 Buffering
Clear
Buffer
bar
code
or
upon
attempt
to
transmit
an
Scanner emits low/high/low/high
beeps.
Out of host parameter storage
space.
Scan Default Parameters on page 4-5 .
Out of memory for ADF rules. Reduce the number of ADF rules or the number
of
steps
in
the
ADF
rules.
Scanner emits high/low beeps. The scanner is buffering Code 39
data.
Normal.
Scanner emits high/high/high/low beeps. RS-232 receive error. Normal during host reset. Otherwise, set
the
scanner's
RS-232
parity
to
match
the
host
Scanner emits four long low beeps. A transmission error was detected in a
scanned
symbol.
The
data
is
ignored.
This occurs if a unit is not properly configured.
Check
option
setting.
Scanner emits four short high beeps (USB
only).
Scanner has not completed initialization. Wait several seconds and scan again.
Scanner emits a short low/high/low/high
beep
sequence
while
it
is
being
Out of ADF parameter storage
space.
Erase all rules and re-program with shorter
rules.
Maintenance,
Troubleshooting
& Technical Specifications 3-3
Introduction
This chapter provides suggested scanner maintenance, troubleshooting, technical specifications, and signal
descriptions
(pinouts).
Maintenance
Cleaning the exit window is the only maintenance required. A dirty window may affect scanning accuracy.
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Troubleshooting
Table
3-1.
Troubleshooting