GE HEALTHCAREDRAFT VOLUSON® P8 / VOLUSON® P6
DIRECTION 5459672-100, R
EVISION 6 DRAFT (JANUARY 17, 2013) PROPRIETARY SERVICE MANUAL
Chapter 10 - Care & Maintenance 10-27
10-8-8-2 Generic Procedure on Leakage Current
Measurements should be made with the ground open and closed, with power line polarity normal and
reversed, and with neutral open and closed.
For each combination, the probe must be active to find the worst case condition.
NOTE: Saline water pod should be insulated from floor and earth ground.
10-8-9 Type CF Patient Auxiliary current - ECG Lead to Probe
Reference the procedure in the IEC 60601-1. Measure current flow from Probe to all ECG leads
connected together. The maximum allowable limit for earth leakage current is shown in Table 10-18 on
page 10-17.
Figure 10-6 Set Up for Probe Leakage Current
Table 10-26 Typical Data Sheet for Type BF Patient Leakage Current Test
Tester Neutral Tester Polarity Switch Ground Switch Measured Leakage Current
Closed Normal Closed
Closed Normal Open
Closed Reversed Closed
Closed Reversed Open
Open Normal Closed
Open Reversed Closed
CAUTION
!! CAUTION:
Equipment damage possibility. Never switch the Polarity and the status of Neutral when the unit
is powered ON. Be sure to turn the unit power OFF before switching them using the POLARITY
switch and/or the NEUTRAL switch. Otherwise, the unit may be damaged.
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