Problem
During charging, a mix
of quick and long flash-
ing red lights appear
on the charger.
The green light on the
transmitter does not
flash when you con-
nect it to the sensor.
The green light on the
transmitter does not
flash when you con-
nect it to the tester.
Likely Cause(s)
Your charger and your
transmitter are low on
power.
Your transmitter is not
fully connected.
Your transmitter is low
on power.
Your sensor is not prop-
erly inserted into your
body.
Your transmitter is not
fully connected.
Your transmitter is low
on power.
Resolution
1
Replace the battery in the charger. For in-
structions on replacing your charger bat-
tery, see Installing a battery in the
charger, on page 4.
2
Charge the transmitter continuously for
one hour. If the quick flashing red lights
do not stop, proceed to step 3.
3
Charge the transmitter continuously for
eight hours. If flashing does not stop, call
the 24 Hour HelpLine or your local repre-
sentative. It may be time to replace your
transmitter.
1
Disconnect the transmitter from the sen-
sor.
2
Wait for five seconds and reconnect them.
If the green light still does not flash, pro-
ceed 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.
1
Check the connection between the trans-
mitter 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 or your local
representative. It may be time to replace
your transmitter.
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