7 - 6 MC21XX Series User Guide
Troubleshooting
MC21XX
Table 7-1
Troubleshooting the MC21XX
Problem Cause Solution
MC21XX does not turn
on.
Main battery not
charged.
Charge or replace the main battery.
Main battery not
installed properly.
Ensure the battery is installed properly. See
Install Main
Battery on page 1-4
.
System crash. Perform a warm boot. If the MC21XX still does not turn on,
perform a cold boot. For more information see,
Resetting the
MC21XX on page 2-12
.
Battery did not charge. Battery failed. Replace battery. If the MC21XX still does not operate, try a
warm boot, then a cold boot. For more information see,
Resetting the MC21XX on page 2-12
.
MC21XX removed
from power source
while battery was
charging.
Connect power source and begin charging. The battery
requires up to four hours to recharge fully.
Extreme battery
temperature.
Battery does not charge if ambient temperature is below
32°F (0°C) or above 104°F (40°C).
Cannot see characters
on screen.
MC21XX not
powered on.
Press the Power button.
During data
communication, no data
was transmitted, or
transmitted data was
incomplete.
MC21XX removed
from cradle or
unplugged from host
computer during
communication.
Replace the MC21XX in the cradle, or reattach the cable and
re-transmit.
Incorrect cable
configuration.
See the system administrator or refer to the MC21XX Series
MC21XX Integrator Guide.
Communication
software was
incorrectly installed or
configured.
See the system administrator or refer to the MC21XX Series
MC21XX Integrator Guide.
MC21XX does not emit
sound.
Volume setting is low
or turned off.
Increase the volume. See
Adjusting the Volume on page
2-4
for more information.
MC21XX turns itself off. MC21XX is inactive. The MC21XX turns off after a period of inactivity. This period
can be set from one to five minutes, in one-minute intervals.
Battery is depleted. Recharge or replace the battery.
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