Intermec CN4 User Manual page 102

Chapter 4 — Troubleshooting and Maintaining the CN4
Problems While Operating the CN4
Problem
You press the
nothing happens.
The Battery status LED is on.
The computer appears to be locked up
and you cannot enter data.
You tap the screen and nothing
happens.
Problems With 802.11 Network Connectivity
Problem
When you turn on the computer after it
was suspended for a while (10 to 15
minutes or longer), it can no longer
send or receive messages over the
network.
90
Solution
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button and
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•
•
The battery status LED indicates the following states:
•
•
•
•
•
•
•
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Align your screen. For help, see
Screen" on page
Solution
Host may have deactivated or lost current terminal
emulation session. In a TCP/IP direct connect network,
turn off the "Keep Alive" message from host to maintain
the TCP session while the computer is suspended.
Make sure the backlight is on.
Make sure you have a charged battery that is installed
correctly. For help, see
page 4.
Replace the battery with a charged battery. For help,
see "Changing the Battery" on page
Perform a warm boot or a cold boot. For help, see
"Resetting the CN4" on page
If the battery status LED is a steady green, the battery
is more than 95% charged and computer is on a
charger.
If the battery status LED is blinking red, then the
battery is low. Replace or charge the battery.
If the battery status LED is a steady red, the main
battery is on charge.
If the battery status LED is amber, the CN4 is on
charge and either the battery temperature is outside
of the charging range, or the battery is defective.
Press the power key to turn off the computer, then
press the power key again to turn it on.
Press and hold the power key ten seconds to warm
boot the computer.
Try reloading the firmware. See
Memory for Applications" on page
If the computer does not boot or reset, contact your
Intermec representative for help.
21.
CN4 Mobile Computer User's Manual
"Charging the Battery" on
4.
97.
"Freeing Up Virtual
80.
"Aligning the Touch