Maintenance and Troubleshooting
162
TC25
Table 7 Troubleshooting the TC25
Problem Cause Solution
When pressing the power
button the TC25 does not
turn on.
Battery not charged. Charge or replace the battery in the TC25.
System crash. Perform a reset.
When pressing the power
button the TC25 does not
turn on but two LEDs
blink.
Battery charge is at a
level where data is
maintained but battery
should be re-charged.
Charge or replace the battery in the TC25.
Battery did not charge. Battery failed. Replace battery. If the TC25 still does not operate,
perform a reset.
TC25 removed from
cradle while battery was
charging.
Insert TC25 in cradle. See Charging the Battery on
page 24.
Extreme battery
temperature.
Battery does not charge if ambient temperature is
below 0°C (32°F) or above 40°C (104°F).
Cannot see characters on
display.
TC25 not powered on. Press the Power button.
During data
communication with a
host computer, no data
transmitted, or transmitted
data was incomplete.
TC25 removed from
cradle or disconnected
from host computer during
communication.
Replace the TC25 in the cradle, or reattach the
communication cable and re-transmit.
Incorrect cable
configuration.
See the system administrator.
Communication software
was incorrectly installed
or configured.
Perform setup.
During data
communication over
Wi-Fi, no data
transmitted, or transmitted
data was incomplete.
Wi-Fi radio is not on. Turn on the Wi-Fi radio.
You moved out of range
of an access point.
Move closer to an access point.
During data
communication over
Bluetooth, no data
transmitted, or transmitted
data was incomplete.
Bluetooth radio is not on. Turn on the Bluetooth radio.
You moved out of range
of another Bluetooth
device.
Move within 10 meters (32.8 feet) of the other device.
The Bluetooth device(s)
nearby are not turned on.
Turn on the Bluetooth device(s) to find.
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.