Troubleshooting Your Computer - Intermec CN3 User Manual

Troubleshooting Your Computer

Problems While Operating the Computer
Problem
You press the Power button to
turn on the CN3 and nothing
happens.
The Battery status LED is on.
The CN3 appears to be locked up
and you cannot enter data.
Problems While Configuring the Computer
Problem
You scan a configuration
command, such as Beeper
Volume, and you hear three low
beeps.
You scan or enter an option for
the Scanner Model configuration
command and you hear three low
beeps.
You cannot type a character on
the keypad or you can only type
uppercase or lowercase letters.
CN3 Mobile Computer User's Manual
6 Drag-and-drop the device upgrade onto each CN3 icon.
Once the upgrade is done downloading to your CN3, your CN3 replaces
the operating system, then performs a warm-boot. The SmartSystems
Console shows your CN3 as offline (via a red stop sign) until the device
reboots and reconnects to the system.
Before sending the CN3 in for service, save its data and configuration.
Solution
Make sure the backlight is on by pressing E.
Make sure you have a charged CN3 Battery installed correctly. For help, see
"Using the Batteries" on page
The battery may be discharged. Replace the battery with a spare charged battery,
or charge the battery.
Perform a warm-boot or press the reset button in the battery cavity.
If the battery status LED is a steady green, the battery is more than 95% charged
and CN3 is on a charger.
If the battery status LED is blinking red, then the battery is low.
If the battery status LED is a steady red, the main battery is on charge.
Press the Power button to turn off the CN3, then press the Power button again
to turn on the CN3.
Press and hold the Power button ten seconds to warm-boot the CN3.
Try reloading the firmware. See
Computer" on page
If the CN3 does not boot or reset, contact your local Intermec representative for
help.
Solution
If you are working in Intermec Settings, you cannot scan configuration
commands. Exit Intermec Settings to scan configuration commands.
You may have scanned or entered a Scanner Model command that does not apply
to the type of scanner that you have installed. Try scanning or entering the
Scanner Model command again and select an option for the type of device you
are using.
You may have locked a modifier key on the keypad. Check the CN3 toolbar to
see if it contains an icon with a locked symbol. Press the necessary key sequence
to unlock the key. See
Chapter 4 — Maintaining the Computer
8.
"Upgrading the Operating System on your
104.
"Using the Keypad" on page 15.
107