There Is No Heart Rate Signal - Technogym Forma Service Maintenance Manual

FORMA: Service & Maintenance manual - rev. 3.0

6.11. THERE IS NO HEART RATE SIGNAL

The machine displays this error if the receiver is not working or if it is not supplied by the CPU
board.
Follow the procedure step by step to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
(7) Place the tester probes between pins 1 (signal) and 3 (ground) (the red and black wires) of the
4-pin receiver connector: the measured value should be +5Vdc.
(8) Place the tester probes between pins 1 (signal) and 3 (ground) (the red and black wires) of
connector K7 on the CPU board of the display: the measured value should be +5Vdc.
THERE IS NO
CARDIO SIGNAL
Is the supply voltage on the
receiver connector correct?
NO
Is the supply voltage on
connector K7 of the CPU board
correct.
NO
Replace the display CPU
board
1
YES
Replace the receiver
2
YES
Replace or repair cable
RL-14
Page 6.39