Maintenance & Troubleshooting 7 - 11

Four Slot Battery Charger
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No data transmitted, or
transmitted data was
incomplete.
MC75 removed
from cradle during
communication.
Replace MC75 in cradle and retransmit.
No null modem
cable was used. Some external devices require a null modem cable. Retransmit
using a null modem cable.
Incorrect cable
configuration. See the system administrator.
Cable missing or
disconnected. Re-connect cable.
Table 7-5
Troubleshooting the Vehicle Cradle
Symptom Possible Cause Action
Table 7-6
Troubleshooting The Four Slot Battery Charger
Symptom Possible Cause Action
Battery not charging. Battery was
removed from the
charger or charger
was unplugged from
AC power too soon.
Re-insert the battery in the charger or re-connect the charger’s
power supply. 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.
Battery contacts not
connected to
charger.
Verify that the battery is seated in the battery well correctly with the
contacts facing down.
Ambient
temperature of the
cradle is too warm.
Move the cradle to an area where the ambient temperature is
between 0
o
C and 35
o
C.