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Malfunction
Heart rate reading is erratic or
absent entirely
Abnormally elevated heart rate
readings
Probable Cause
Chest strap transmitter electrodes
are not wet enough to pick up
accurate heart rate readings.
Chest strap transmitter electrodes
are not laying flat against the skin.
Chest strap transmitter needs
cleaning.
Chest strap transmitter is not with-
in 3 feet (one meter) of the heart
rate receiver.
Chest strap battery is depleted.
Electromagnetic interference from
television sets and/or antennas.
Electromagnetic interference from
cell phones.
Electromagnetic interference from
CD players.
Electromagnetic interference from
computers.
Electromagnetic interference from
cars.
Electromagnetic interference from
high voltage power lines.
Electromagnetic interference from
motor driven exercise equipment.
Electromagnetic interference from
another heart rate transmitter with-
in three feet (one meter).
Corrective Action
Wet the chest strap transmitter
electrodes (see section 3.2).
Ensure the chest strap transmitter
electrodes are laying flat against
the skin (see section 3.2).
Wash the chest strap transmitter
with mild soap and water.
Make sure the chest strap trans-
mitter is within three feet (one
meter) of the heart rate receiver.
Contact Life Fitness Customer
Support Services* for instructions
on how to have the chest strap
replaced.
Move the treadmill a few inches
away from the probable cause, or
move the probable cause a few
inches away from the treadmill,
until the heart rate readings are
accurate.
* See Section 6.6 “How to Obtain Product Service” for contact information.
6.4 T
ROUBLESHOOTING THE HEART RATE CHEST STRAP
HEART RATE READING IS ERRATIC OR ABSENT ENTIRELY