Procedure 6.5 - Troubleshooting Hand Held Heart Rate - Precor C532i Service Manual

Procedure 6.5 - 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 unit's handlebar or from a Polar heart
rate chest strap transmitter. The heart rate system to operates the receiver with the chest strap
heart rate priority. That is, if both a chest strap and hand heart rate signal is being received, the
system will accept the chest strap signal and ignore the hand held signal. If a chest strap signal is
not being received, the system will accept the hand held signal.
Note:
There are four typical failure modes for the hand held/chest strap heart rate system. They are:
1 - hand held is normal - no chest strap reading; 2 - no hand held reading - chest strap normal;
3 - no hand held or chest strap reading; 4 - constant or intermittent readings when neither hand
held or chest strap are in use.
Diagram 6.5 - Hand held/chest strap heart rate PCA
Input
Connector
Pin 1
Normal hand held reading - No chest strap reading
1. 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 not
accepted, replace the heart rate pca.
2. Using a Polar heart rate test receiver, verify the operation of the chest strap transmitter
furnished with the unit. If the Polar heart rate test receiver does not receive a signal, replace
the chest strap transmitter.
No hand held reading - Normal chest strap reading
3. Access the diagnostic program (Procedure 2.1). Advance to the heart rate display portion of
the diagnostic program. Verify that a hand held signal is not being accepted by firmly
grasping both the right and left hand held contacts on the handlebars. Cover as much of the
contact surface area with your hands as possible (without moving your hands), you should
C532i, C556i Navy Elliptical Fitness Crosstrainer
Pin 1
Output
Connector
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