Technogym Bikerace - Troubleshooting: Master-Slave Mode Failure

BIKERACE: Service & Maintenance Manual - rev. 1.1
Page 6.12
6.6. THE MACHINE DOES NOT OPERATE IN MASTER - SLAVE
MODE
This error is due to problems on the Master - Slave control signal.
Is the Master-Slave signal at the
output of the CPU board
correct?
Is the Master-Slave signal at the
input to the alternator interface
board correct?
Does the relay on the
alternator interface board
switch when the
Master-Slave signal changes
state?
Replace the CPU
board
Replace cable BK-1
Replace the alternator
interface board
THE MACHINE DOES
NOT OPERATE IN
MASTER - SLAVE MODE
Are the signals output by the
serial port on the alternator
interface board correct?
NO
YES
NO
YES
NO
YES
NO
YES
4
Is cable BK-8 connected
correctly?
5
NO
Replace cable BK-8
Replace the serial ports
YES
1
2
3
A