Technogym Recline 500SP Service Maintenance Manual page 71

RECLINE EXCITE: Service & Maintenance Manual - rev. 2.4
Replace the LCD
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.
(2 ) As for step (1) but across pins 1 and 2 of connector CN3 on the brake board.
B
Are the AC v oltages at the
output to the LCD inv erter
correct?
Is the LCD neon lamp on?
Check the connection or
try to replace the cable
between CPU board and
TTL board.
It works?
NO
Try to replace the CPU
board.
It works?
7
NO
YES
NO
YES
YES
NO
YES
Replace LCD inv erter
Replace LCD
Cable damage
CPU board damage
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