3 - 2 Symbol LS4208 Product Reference Guide
Troubleshooting
Table 3-1
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 supply.
Incorrect h ost interface cable is used. Verify that the correct host interface cable is
used. If not, connect the correct host
interface cable.
Interface/power cables are loose. Check for loose cable connections and
re-connect cables.
Scanner emits low/high/low
beeps. ADF transmit error. See
Chapter 14, Advanced Data
Formatting
.
Invalid ADF rule is detected. See
Chapter 14, Advanced Data
Formatting
.
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 empty Code 39
buffer.
Scanner emit s 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 emit s
low/high/low/high beeps. Out of host parameter storage space. Scan
Default Parameters on page 4-3
.
Out of memory for ADF rules. Reduce the number of ADF rules or the
number of steps in the ADF rules.
During programming, indica tes out of
ADF parameter storage space. Erase all rules and re-program with shorter
rules.
Scanner emit s high/low
beeps. The scanner is buffering Code 39
data. Normal.
Scanner emit s
high/high/high/low beeps. RS-232 receive error . Normal during host rese t. Otherwise, set the
scanner's RS-232 parity to match the host
setting.
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.