RUN NOW Excite +: Technical Service guide - rev. 6.2
Page 6.32
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) In Place the tester probes across pins 1 and 3 of connector CN1 of the TGS reader. The
measured value should be +12Vdc.
(2) As for step (1) but across pins 1 and 8 of connector CN19 (CPU Board) or on the CN7
connector (ARM Board).
(3) Use the serial communications test described at paragraph: 6.2.1.5 “Serial Ports Test”.
If you replace ARM/CPU Board, check that its SW version is updated, otherwise install
the last version.
6.15.2. UNITY MODELS
For the following menu, please refer to the UNITY Manual (User Interfaces) and at the
wiring diagrams: 2.9.2.4 “ALEWin Extended Range: (100 - 240V)” and 2.9.3.1
“Powered models 700 UNITY”.
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