THERE IS NO HR
SI GN AL
(Chest Belt)
Check if the +5Vdc are at the
input of the Receiver Board.
Are them present?
ARM/ CPU Board
defective.
Replace.
3
NO
SI
Check if the +5Vdc are at the
output of the ARM/CPU Board.
Are them present?
4
NO
Receiver Board
defective.
Replace.
Check the SW and the groundin
of Receiver Board.
Problem persists?
Place correclty
1
YES
NO
Check the proper functioning
of the Receiver Board.
Is proper placed?
OK
2
NO
NO
YES
YES
Check if it works properly using
a chest belt you are sure it's ok.
The problem solved?
Chest Belt
defective
SI
Replace the connecting
cable between the High
Kit and the Low Kit.
YES
YES