4 - 6
WT4090 Wearable Terminal User Guide
Troubleshooting
Wearable Terminal
Troubleshooting the Wearable Terminal
Table 4-1
Problem
Wearable terminal
does not turn on.
Rechargeable
lithium-ion battery did
not charge.
Cannot see
characters on display.
Display is hard to
read.
Cause
Lithium-ion battery
Charge or replace the lithium-ion battery in the wearable
not charged.
terminal.
Lithium-ion battery
Ensure battery is installed properly. See Installing and
not installed
Removing the Main Battery on page 1-5.
properly.
System crash.
Perform a warm boot. If the wearable terminal still does not
turn on, perform a cold boot. See Resetting the Wearable
Terminal on page 2-16.
Battery failed.
Replace battery. If the wearable terminal still does not operate,
try a warm boot, then a cold boot. See Resetting the Wearable
Terminal on page 2-16.
Wearable terminal
Insert wearable terminal in cradle and begin charging. The
removed from
standard capacity battery fully charges in less than four hours
cradle while battery
and the extended capacity battery fully charges in less than
was charging.
eight hours.
Ambient
Move the cradle to an area where the ambient temperature is
temperature of the
between 0 °C and 40 °C (32 °F and 104 °F).
cradle is too warm
or too cold.
Wearable terminal
Press the Power button.
not powered on.
Screen protective is
Replace screen protector.
scratched or hazy.
Screen protective is
Replace screen protector.
scratched or hazy.
Solution