
Maintenance & Troubleshooting 13 - 7
Bluetooth Connection
Single Slot USB Cradle
Table 13-2
Troubleshooting Bluetooth Connection
Problem Cause Solution
ES400 cannot find
any Bluetooth
devices nearby.
Too far from other
Bluetooth devices.
Move closer to the other Bluetooth device(s), within a range of 10
meters (32.8 feet).
The Bluetooth
device(s) nearby
are not turned on.
Turn on the Bluetooth device(s).
The Bluetooth
device(s) are not in
discoverable mode.
Set the Bluetooth device(s) to discoverable mode. If needed, refer
to the device’s user documentation for help.
When trying to
connect a Bluetooth
phone and ES400,
the phone thinks a
previously paired
ES400 is used.
The phone
remembers the
name and address
of the ES400 it last
paired with via the
Bluetooth radio.
Manually delete the pairing device and name from the phone. Refer
to the phone’s user documentation for instructions.
Table 13-3
Troubleshooting the Single Slot USB Cradle
Symptom Possible Cause Action
ES400 battery is not
charging.
ES400 was
removed from
cradle or cradle
was unplugged
from power too
soon.
Ensure cradle is receiving power. Ensure ES400 is seated
correctly. The 1540 mAh battery fully charges in less than three
hours and the 3080 mAh battery fully charges in less than six
hours.
Battery is faulty. Verify that other batteries charge properly. If so, replace the faulty
battery.
No power to cradle. Ensure that power is applied to the cradle. The ES400 LED flashes
green to indicate that the ES400 is charging.
The ES400 is not
fully seated in the
cradle.
Remove and re-seat the ES400 onto the cradle properly.
Extreme battery
temperature.
Battery does not charge if ambient temperature is below 0°C
(32°F) or above 40°C (104°F).
Single Slot USB
Cradle is not
functioning
properly.
Replace the Single Slot USB Cradle.
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