Maintenance & Troubleshooting 11 - 9
Single Slot USB Cradle
Table 11-2
Troubleshooting the Single Slot USB Cradle 
Symptom Possible Cause Action
LEDs do not light 
when MC67 or spare 
battery is inserted.
Cradle is not 
receiving power.
Ensure the power cable is connected securely to both the 
cradle and to AC power.
MC67 is not seated 
firmly in the cradle.
Remove and re-insert the MC67 into the cradle, ensuring it is 
firmly seated. 
Spare battery is not 
seated firmly in the 
cradle.
Remove and re-insert the spare battery into the charging slot, 
ensuring it is firmly seated. 
MC67 battery is not 
charging.
MC67 was removed 
from cradle or 
cradle was 
unplugged from AC 
power too soon.
Ensure cradle is receiving power. Ensure MC67 is seated 
correctly. Confirm the main battery is charging. Tap   > 
Settings > Power > Battery tab. The 3600 mAh battery fully 
charges in less than six hours.
Battery is faulty. Verify that other batteries charge properly. If so, replace the 
faulty battery.
The MC67 is not 
fully seated in the 
cradle.
Remove and re-insert the MC67 into the cradle, ensuring it is 
firmly seated. 
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.
Battery not fully 
seated in charging 
slot.
Remove and re-insert the spare battery in the cradle, ensuring 
it is firmly seated. 
Battery inserted 
incorrectly. 
Re-insert the battery so the charging contacts on the battery 
align with the contacts on the cradle. 
Battery is faulty. Verify that other batteries charge properly. If so, replace the 
faulty battery.
During data 
communication, no 
data transmits, or 
transmitted data was 
incomplete.
MC67 removed 
from cradle during 
communications.
Replace MC67 in cradle and retransmit.
Communication 
software is not 
installed or 
configured properly.
Perform setup as described in the MC67 Integrator Guide.