User's Manual
Maintenance
&
Troubleshooting
102
Single Slot USB/Serial Cradle
T
abl
e
7-3 Troubleshooting the Single Slot USB/Serial Cradle
Symptom
Possible
Cause
Action
LEDs do not light
when FR6876 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.
FR6876 is not
seated firmly in the
cradle
Remove and re-insert the FR6876 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.
T
abl
e
7-3 Troubleshooting the Single Slot USB/Serial Cradle (Continued)
Symptom
Possible
Cause
Action
FR6876 battery is
not charging.
FR6876 was
removed from
cradle or
cradle was
unplugged from AC
p
owe
r
to
o
s
oon
Ensure cradle is receiving power. Ensure FR6876 is seated
correctly. Confirm main battery is charging under
Start > Settings >
System > Power. 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 FR6876 is
not fully seated in
the cradle.
Remove and re-insert the FR6876 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 45°C (113°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.
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.
FR6876 removed
from cradle during
communications.
Replace FR6876 in cradle and retransmit.
Incorrect cable
configuration.
See the system administrator.