C956i, C966i (Gen 06) Treadmill
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Procedure 5.3 - Troubleshooting Hand Held Heart Rate
Circuit Description
The hand held heart rate system is actually a dual system, that is, it can accept a heart rate
signal from either the hand held heart rate contacts on the handlebar or from a Polar heart rate
chest strap transmitter. The system is set for hand held heart rate priority, that is if both a chest
strap and hand heart rate signal is being received, the system will accept the hand held signal
and ignore the chest strap signal.
Diagram 5.5 - Hand held/chest strap heart rate PCA
Normal hand held reading - No chest strap reading
1. Set the on/off switch in the “on” position and access the diagnostic program (Procedure 2.1).
Advance to the heart rate display portion of the diagnostic program. Verify that a chest strap
signal is not being accepted with either a Polar heart rate test transmitter or a known good
chest strap transmitter. If this reading is good, skip to step 3.
2. Using a Polar heart rate test receiver, verify the operation of the chest strap transmitter. If
the Polar heart rate test receiver does not receive a signal, replace the chest strap
transmitter.
3. Set the on/off switch in the “off” position and remove the display housing.
4. Verify that a ferrite bead is installed on the heart rate PCA to upper PCA cable.
5. If the above procedures did not correct the problem, replace the heart rate PCA.
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