Maintenance & Troubleshooting 8 - 9
MC75A battery is not 
charging.
MC75A was 
removed from 
cradle or cradle was 
unplugged from AC 
power too soon.
Ensure cradle is receiving power. Ensure MC75A is seated 
correctly. Confirm main battery is charging under 
Start
 > 
Settings
 > 
Power
.
Battery is faulty. Verify that other batteries charge properly. If so, replace the faulty 
battery.
The MC75A is not 
fully seated in the 
cradle.
Remove and re-insert the MC75A into the cradle, ensuring it is 
firmly seated. 
Ambient 
temperature of the 
cradle is too warm.
Move the cradle to an area where the ambient temperature is 
between 0°C (32°F) and 35°C (95°F).
Extreme battery 
temperature.
Battery does not charge if ambient temperature is below 0°C (32°F) 
or above 40°C (104°F).
Spare battery is not 
charging.
Spare battery 
inserted incorrectly.
Re-insert the spare battery so the charging contacts on the battery 
align with the contacts on the cradle.
Spare battery is 
faulty.
Verify that other batteries charge properly. If so, replace the faulty 
battery.
Ambient 
temperature of the 
cradle is too warm.
Move the cradle to an area where the ambient temperature is 
between 0°C (32°F) and 35°C (95°F).
During data 
communication, no 
data transmits, or 
transmitted data was 
incomplete.
MC75A removed 
from cradle during 
communications.
Replace MC75A in cradle and retransmit.
Incorrect cable 
configuration.
See the system administrator.
Communication 
software is not 
installed or 
configured properly.
Perform setup as described in the MC75A Enterprise Digital 
Assistant Integrator Guide.
Table 8-3    
Troubleshooting the Single Slot USB/Serial Cradle (Continued)
Symptom Possible Cause Action