Technogym Run Excite 500 Service Maintenance Manual page 126

Replace the receiv er
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:
Place the tester probes across pins 4 and 5 of connector CN1 of the receiver. The measured
(1)
value should be +5 Vdc.
As for step (1) but across pins 1 and 2 of patch connector O.
(2)
As for step (1) but across pins 1 and 8 of connector CN11 on the digital plan board.
(3)
Use the serial communications test described in paragraph 6.1.1.1 "I2C Device Test".
(4)
Page 6.58
Is the serial communication
between the digital plan board
and the receiv er OK?
NO
Replace the digital plan board.
Is the serial communication
between the digital plan board
and the receiv er OK?
RUN EXCITE: Service & Maintenance Manual - rev. 1.5
A
4
YES
NO
YES
Replace the receiv er
Def ectiv e digital plan
board