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Heart-Rate-Control function does not work
Possible causes:
1. Bike does not contact with user's chest very well.
2. Bike (Polar-belt) is at low battery status.
3. Bike (Polar-belt) is damaged.
4. Heart-rate-control board is damaged.
5. PCB is damaged.
Fix:
1. Center the bike on your chest below the pectoral muscle(breast) as
shown, then check again.
2. Remove the battery cover of the bike. Replace a new battery and
check again.
Actually, as moisture may activate the transmitter, please dry
transmitter after use.
3. Transmitter is damaged. Replace the Transmitter.
4. Heart-rate-control board is damaged. Replace the HR-control board.
5. PCB is damaged. Replace the PCB.