Motorola Symbol LS4278 Product Reference Manual page 50

3 - 6 Symbol LS4278 Product Reference Guide
Troubleshooting (Continued)
Table 3-1
Problem
Trigger
Nothing happens when the trigger is
pulled.
The laser does not appear when the
trigger is pulled.
NOTE If after performing these checks the symbol still does not scan, contact the distributor or contact Motorola
Support. See
Possible Causes
No power to the scanner.
Interface/power cables are loose.
Scanner is disabled.
No power to the scanner.
Incorrect host interface cable is
used.
Interface/power cables are loose.
page xvii for contact information.
Possible Solutions
Check the system power. If the
configuration requires a power supply,
re-connect the power supply.
Check the battery. Ensure that end cap
to battery chamber is secured.
Check for loose cable connections and
re-connect cables.
For Synapse or IBM-468x mode,
enable the scanner via the host
interface.
Check the system power. If the
configuration requires a power supply,
re-connect the power supply.
Verify that the correct host interface
cable is used. If not, connect the
correct host interface cable.
Check for loose cable connections and
re-connect cables.