Technogym Recline 500, Service Maintenance Manual

Page: 71 / 182

RECLINE EXCITE: Service & Maintenance Manual - rev. 2.4
Is the LCD neon lamp on?
Replace LCD
NO
Check the connection or
try to replace the cable
between CPU board and
TTL board.
It works?
Cable damage
NO
YES
B
YES
Try to replace the CPU
board.
It works?
CPU board damage
NO YES
Replace the LCD
Are the AC v oltages at the
output to the LCD inv erter
correct?
Replace LCD inv erter
NO
7
YES
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:
To speed up the troubleshooting procedure, check the state of the power indicator LEDs
on the various circuit boards.
(1) Place the tester probes across the ends of the cable from the alternator. The measured voltage
should be approximately 220 VAC or 110 VAC depending on the mains voltage.
) As for step (1) but across pins 1 and 2 of connector CN3 on the brake board. (2
Page 6.11