Symbol LS 4208, Manual

Page: 45 / 278

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