Technogym Wellness Expert, Руководство по техническому обслуживанию

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New Wellness Expert: Service & Maintenance manual - rev. 1.1
Page 6.4
Is the LCD neon lamp on?
Replace LCD
NO
Try to replace the
cable WE-5.
It works?
Cable damage
NO
YES
B
YES
Try to replace the base
board.
It works?
Base 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 power entry module. 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 CN1 on the power supply.