GE MEDICAL SYSTEMS
D
IRECTION FK091075, REVISION 04 VIVID 3N PRO/EXPERT SERVICE MANUAL
Chapter 10 Periodic Maintenance 10-21
10-7-4-1 Ground Continuity Testing - Generic Procedure
Follow these steps to test the Ground wire resistance:
1.) Turn the Vivid 3N unit OFF.
2.) Connect one of the Ohmmeter probes to the tested AC wall outlet (Ground pin).
3.) Using the other Ohmmeter probe, touch the exposed metal part of the Vivid 3N unit.
4) Set the meter Function switch to the Resistance position.
5) Measure and record the Ground wire resistance.
This should be less than 0.2 Ohms.
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