SYNCHRO EXCITE 2009: Service & maintenance manual - rev. 5.2
Pagina 6.34
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:
(1) Place the tester probes across pins 1 and 8 of connector CN1 of the TGS reader. The measured
value should be +12 Vdc.
(2) As for step (1) but across pins 1 and 9 of connector CN8 on the display board.
(3) Use the serial communications test described at paragraph 6.2.1.3 “Serial Ports Test”.
If you replace Display board/Brake board, check that its SW version is updated, otherwise
install the last version.
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