There Is No Heart Rate Signal - Technogym Top 600 XTPRO Service Maintenance Manual

6.5. THERE IS NO HEART RATE SIGNAL

The machine displays this error if the receiver is not functioning, or if it fails to receive the power
supply from the CPU board.
Replace the display 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:
(1) Place the tester probes between pins 1 and 3 (corresponding to the red and black wires) of the
4-pin cardio receiver connector: the voltage should be +5 Vdc.
(2) Place the tester probes between pins 1 and 3 (corresponding to the red and black wires) of
connector CN4 on the display CPU board: the voltage should be +5 Vdc.
Page 6.10
TOP 600 XTPRO: Service & Maintenance Manual - rev. 2.0
THERE IS NO
CARDIO SIGNAL
Is the supply voltage on the
receiver connector correct?
NO
Is the supply voltage on
connector CN4 of the CPU board
correct.
1
YES
NO
2
YES
Replace the receiver
Replace or repair cable
between CPU board and
receiver