User's Manual

Chapter 4 — Troubleshooting and Maintaining the CK3
70 CK3 Mobile Computer User’s Manual
You cannot type a
character on the
keypad or you can
only type uppercase
or lowercase letters.
You may have locked a modifier key on the keypad.
Press the necessary key sequence to unlock the key.
For help, see “Using the Keypad ” on page 8.
You press the Power
button and nothing
happens.
• Make sure the backlight is on.
• Make sure you have a charged battery that is
installed correctly. For help, see “Charging the
Battery” on page 4.
• The battery may be discharged. Replace the battery
with a spare charged battery, or charge the battery.
• Reset the CK3. For help, see “Resetting the CK3”
on page 74.
You insert a
microSD card and
cannot find the
SDMMC Disk folder
on the CK3. Or, you
insert a bootable SD
card and the CK3
does not boot from
the card.
• The microSD card may not be installed correctly.
Insert the microSD card as described in Steps 2
through 4 of “Using a microSD Card” on
page 23.
• The microSD card may be damaged. Try another
microSD card.
The Battery status
LED is on.
• 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.
The computer
appears to be locked
up and you cannot
enter data.
• Press the power key to turn off the CK3, and then
press the power key again to turn it on.
• Press and hold the power key ten seconds to warm
boot the CK3.
• Try reloading the firmware. For help, see
“Upgrading the System Software” on page 62.
• If the CK3 does not boot or reset, contact your
Intermec representative for help.
You tap the screen
and nothing
happens.
Align your screen. For help, see “Aligning the Touch
Screen” on page 14.
Problems While Configuring the CK3 (continued)
Problem Possible Solution