6 - 6 MC65 Integrator Guide
During data 
communication, no 
data transmitted, or 
transmitted data was 
incomplete.
MC65 removed 
from cradle or 
disconnected from 
host computer 
during 
communication.
Replace the MC65 in the cradle, or reattach the communication 
cable and re-transmit.
Incorrect cable 
configuration.
See the system administrator.
Communication 
software was 
incorrectly installed 
or configured.
Perform setup. Refer to the MC65 Integrator Guide for details.
No sound. Volume setting is 
low or turned off.
Adjust the volume.
MC65 shuts off. MC65 is inactive. The MC65 turns off after a period of inactivity. If the MC65 is 
running on battery power, set this period from 1 to 5 minutes, in 
one-minute intervals.
Check the Power window by selecting Tap Status Bar >  .
Battery is depleted. Replace the battery.
Battery is not 
inserted properly.
Insert the battery properly. See Installing the Battery on page 1-4.
Tapping the window 
buttons or icons does 
not activate the 
corresponding 
feature.
Screen is not 
calibrated correctly.
Re-calibrate the screen. Press Blue key - Backspace key.
The device is not 
responding.
Reset the device. See Resetting the MC65 on page 1-8.
A message appears 
stating that the MC65 
memory is full.
Too many files 
stored on the 
MC65.
Delete unused memos and records. If necessary, save these 
records on the host computer (or use an SD card for additional 
memory).
Too many 
applications 
installed on the 
MC65.
Remove user-installed applications on the MC65 to recover 
memory. Select Start > Settings > System and tap the Remove 
Programs icon. Select the unused program and tap Remove.
The Charging/Battery 
Status LED flashes 
with the Power button 
is pressed and the 
MC65 does not turn 
on.
The MC65’s battery 
is low. 
Recharge the battery.
Camera application 
does not launch.
DataWedge 
application running.
Stop DataWedge application. Tap Start > Settings > System > 
Task Manager. Select DataWedge application and tap End Task.
Table 6-1    
Troubleshooting the MC65 (Continued)
Problem Cause Solution