Symbol LS4278 Product Reference Manual page 55

Problem
Scanner emits four long low beeps.
Scanner emits five low long beeps.
Decoding Bar Codes
Scanner emits the laser, but does not decode the bar
code.
Scanner decodes bar code, but does not transmit the
data to the host.
Scanner emits five long low beep after a bar code is
decoded.
Table 3-1. Troubleshooting (Continued)
Possible Causes
A transmission error was detected in a scanned
symbol. The data is ignored.
The scanner is either:
- Out of range
- Not paired to the cradle
- Not connected to a remote Bluetooth device.
Acknowledgment that transmitted data was not
received by the cradle.
Conversion or format error.
Scanner is not programmed for the correct bar code
type.
Bar code symbol is unreadable.
Distance between scanner and bar code is
incorrect.
The scan line is not crossing every bar and space of
the symbol.
Scanner is not programmed for the correct host
type.
Interface cable is loose.
Cradle is not programmed for the correct host
interface.
Scanner not paired to host-connected interface.
Cradle has lost connection to host.
Conversion or format error was detected.
The scanner's conversion parameters are not
properly configured.
Conversion or format error was detected.
An ADF rule was set up with characters that can't
be sent for the host selected.
Conversion or format error was detected.
A bar code was scanned with characters that can't
be sent for that host.
Maintenance, Troubleshooting
& Technical Specifications
Possible Solutions
This occurs if a unit is not properly configured. Check
option setting.
Move the scanner back into range of the remote
device.
Or
Scan the PAIR bar code on the cradle.
Data may have been received by the host. Check the
host system for receipt of transmitted data. If data
was not received by the host, re-scan the bar code.
Check ADF rules for the host.
Program the scanner to read that type of bar code.
See Chapter 13, Symbologies.
Scan test symbols of the same bar code type to
determine if the bar code is defaced.
Move the scanner closer to or further from the bar
code. See Decode Zone on page 2-11.
Move the symbol until the scan line is within the
acceptable aiming pattern. See Figure 2-2 on page 2-
6.
Scan the appropriate host type programming bar
code. See the chapter corresponding to the host
type.
Ensure all cable connections are secure.
Check scanner host parameters or edit options.
Pair the scanner to the cradle by scanning the PAIR
bar code on the cradle.
In this exact order: disconnect power supply;
disconnect host cable; wait three seconds; reconnect
host cable; reconnect power supply; reestablish
pairing.
Ensure the scanner's conversion parameters are
properly configured.
Change the ADF rule, or change to a host that can
support the ADF rule.
Change the bar code, or change to a host that can
support the bar code.
3-5