Problem Likely Cause(s) Resolution
The green light on the
transmitter does not
flash when you
connect it to the
sensor.
Your transmitter is not
fully connected.
Your transmitter is low
on power.
Your sensor is not
properly inserted into
your body.
1
Disconnect the transmitter from the
sensor.
2
Wait for five seconds and reconnect them.
If the green light still does not flash,
proceed to step 3.
3
Fully charge the transmitter and connect it
to the tester. If the green light still does
not flash, see troubleshooting on “The
green light on the transmitter does not
flash when you connect it to the tester”. If
the green light flashes, proceed to step 4.
4
Disconnect the transmitter from the tester,
wait at least five seconds, and connect
the transmitter to the sensor. If the green
light still does not flash, proceed to step 5.
5
The sensor may not be properly inserted
into your body. Remove the sensor from
your body and insert a new sensor.
The green light on the
transmitter does not
flash when you
connect it to the tester.
Your transmitter is not
fully connected.
Your transmitter is low
on power.
1
Check the connection between the
transmitter and the tester. If the green
light still does not flash, proceed to step 2.
2
Fully charge the transmitter.
3
Test the transmitter with the tester again.
If you still do not see the green light flash,
call the 24 Hour HelpLine. It may be time
to replace your transmitter.
Your transmitter
battery does not last
for seven days.
Your transmitter is not
fully charged when you
connect it to the sensor.
The transmitter and the
app on your compatible
mobile device frequently
lose wireless connection.
1
Fully charge the transmitter before
connecting it to the sensor. If the
transmitter battery still does not last for
seven days, proceed to step 2.
2
Move away from any equipment that can
cause RF interference. For more
information on RF interference, see Radio
Frequency (RF) communication, on
page 10.
3
Make sure your compatible mobile device
and your transmitter are located on the
same side of your body to minimize any
RF interference. If your fully charged
transmitter battery continues to lose
power before a full seven days, call the 24
Hour HelpLine. It may be time to replace
your transmitter.
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