Technogym Step 500i SP Service Maintenance Manual page 81

STEP EXCITE: Service & maintenance manual - rev. 1.4
(1) Place the tester probes across pins 1 and 3 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 CN7 on the display board.
(3) Use the serial communications test described in paragraph 6.1.1.3 "Serial Ports Test".
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