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Maintenance & Troubleshooting

7 - 5

The mobile computer 
does not accept scan 
input.

Scanning application 
is not loaded.

Verify that the unit is loaded with a scanning application. See the 
System Administrator.

Unreadable bar 
code.

Ensure the symbol is not defaced.

Distance between 
exit window and bar 
code is incorrect.

Ensure mobile computer is within proper scanning range.

Mobile computer is 
not programmed for 
the bar code.

Ensure the mobile computer is programmed to accept the type of 
bar code being scanned. 

Mobile computer is 
not programmed to 
generate a beep.

If a beep on a good decode is expected and a beep is not heard, 
check that the application is set to generate a beep on good 
decode.

Battery is low.

If the scanner stops emitting a laser beam when the trigger is 
pressed, check the battery level. When the battery is low, the 
scanner shuts off before the mobile computer low battery condition 
notification. 
Note: If the scanner is still not reading symbols, contact the 
distributor or Symbol Technologies.

WLAN or WWAN 
connection is lost when 
the mobile computer is 
connected to a host 
computer using 
ActiveSync.

Microsoft security 
feature prevents 
connection to two 
separate networks.

Disconnect from the WLAN or WWAN network prior to connecting 
to a host computer using ActiveSync.

Mobile computer 
cannot find any 
Bluetooth devices 
nearby.

Too far from other 
Bluetooth devices.

Move closer to the other Bluetooth device(s), within a range of 
10 meters.

The Bluetooth device(s) 
nearby are not turned on.

Turn on the Bluetooth device(s) you wish to find.

The Bluetooth device(s) 
are not in discoverable 
mode.

Set the Bluetooth device(s) to discoverable mode. If needed, 
refer to the device’s user documentation for help.