Troubleshooting
Model: C570R
Malfunction: No telemetry heart rate reception.
Circumstance: I am wearing the heart rate telemetry strap properly.
But there is no heart rate reading.
Possible causes: 1. Telemetry strap transmitter battery voltage is
too low.
2. Heart rate telemetry receiver board is malfunctioning.
3. Environmental interference, for instance, from lights
or speakers, impedes signal reception.
Troubleshooting: 1. Replace the telemetry strap or its batteries.
2. Inspect the telemetry heart rate receiver board wire
connections.
3. Replace the heart rate receiver board.
3-7-1
Heart rate
receiver
Display
board
Transmitter
Telemetry transmitter
belt (battery location
shown below)
Display
Telemetry receiver board
wire connection
Telemetry receiver board
