Technogym JOG EXCITE, Руководство по техническому обслуживанию

Страница: 43 / 126

JOG EXCITE: Service & Maintenance Manual - rev. 1.1
Page 6.7
B
Are the DC v oltages at the
output of the AT driv er
board correct?
Replace the AT driv er
board
NO
YES
7
Are the DC v oltages at the
input to the display board
correct?
Replace the display
board
Replace cable CU133
NO
YES
8
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)
Slightly lift the Faston connectors on the machine power inlet socket. Place the tester probes
across the live and neutral pins on the same connector. The measured voltage should be
approximately 220 VAC.
(2)
As for step (1) but across the input of the circuit breakers.
(3)
As for step (1) but across the output of the circuit breakers.
(4)
Unplug the cable coming from the filter board, from the connector J1 on the AT driver board.
Place the tester probes on the same connector. The measured voltage should be approximately
220 VAC.
(5)
Check that the red LED H5, on the AT driver board is on.
(6)
Using a tester, check the voltages on the back of connector XU2 on the AT drive board,
placing the probes on test points 1-2 to measure the +12 Vdc signal (see figure below).