GE Logiq P5 Service Manual

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL 
Section 10-6 - Electrical Safety Tests 10 - 23
10-6-8-1 Data Sheet for ECG Leakage Current The test passes when all readings measure less th an the value shown in the table below. Record all 
data on the PM Inspection Certificate.
Table 10-20 Maximum Allowance Limit for ECG Leakage Current
AC Power 
Source
Maximum
Allowance Limit
GROUND OPEN
GROUND  CLOSED
Patient Lead to Ground Leakage Current Test
and
Patient Lead to Lead Leakage...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL  
10 - 24 Section 10-6 - Electrical Safety Tests
10-6-9 Probe Leakage Current Test
10-6-9-1 Definition
This test measures the current that would flow to  ground from any of the probes through a patient who 
is being scanned and becomes grounded by touching some other grounded surface.
10-6-9-2 Generic Procedure Measurements should be made with the ground open and closed, with power line polarity normal and 
reversed, and with the unit...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL 
Section 10-6 - Electrical Safety Tests 10 - 25
10-6-9-3Meter Procedure Using Probe Adapter  (cont’d)
6.) Set the meters “FUNCTION”  switch to EXTERNAL position.
7.) Add the saline probe and the imaging area of the probe into the saline bath.
8.) Have unit power ON for the first par t; turn it OFF for the second half.
9.) Depress the ISO TEST rocker switch and record the highest current reading.
10.) Follow the test co nditions...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL  
10 - 26 Section 10-6 - Electrical Safety Tests
10-6-9-4 No Meter Probe Adapter Procedure
Follow these steps to test each transducer for leakage current.
1.) Turn the LOGIQ™ P5 unit OFF.
2.) Plug the unit into the test meter, and the meter into the tested AC wall outlet.
3.) Plug the external probe into the meters (Dale 600) “EXTERNAL” connector.
4.) Set the meters “FUNCTION”  switch to EXTERNAL position.
5.) Connect the probe for test...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL 
Section 10-6 - Electrical Safety Tests 10 - 27
10-6-9-5 Data Sheet for Transducer Source Leakage Current The test passes when all readings measure less than the values shown in Table 10-15  and Table 10-
16 . Record all data on the PM Inspection Certificate.
. 
CAUTIONEquipment 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...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL  
10 - 28 Section 10-6 - Electrical Safety Tests
Section 10-7
When Theres Too Much Leakage Current...
CHASSIS FAILS
Check the ground on the power cord and plug for cont inuity. Ensure the ground is not broken, frayed, 
or intermittent. Replac e any defective part.
Tighten all grounds. Ensure star  washers are under all ground studs.
Inspect wiring for bad crimps, poor connections, or damage.
Test the wall outlet; verify it is grounded...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL 
Section 10-6 - Electrical Safety Tests 10 - 29
ULTRASOUND INSPECTION CERTIFICATE  
* Scan Format: Phased Array, Linear Array,  Curved Array, Mechanical Array or Other
FUNCTIONAL CHECKSPHYSICAL INSPECTION AND CLEANING 
COMMENTS: 
______________________________________________________________________________
______________________________________________________________________________...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1LOGIQ™ P5 SERVICE MANUAL  
10 - 30 Section 10-6 - Electrical Safety Tests
ELECTRICAL SAFETY
Final Check. All system covers are in plac e. System scans with all probes as expected.
Accepted by: ______________________________________________________________________
Electrical Test Performed Max Value 
Allowed Value 
Measured OK? Comments
Outlet (correct ground &wiring config.)
System Ground Continuity
Chassis Source Leakage Current - Probe
Chassis Source Leakage...

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GE Medical Systems, a General Electric Comp any, going to market as GE Healthcare.
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Waukesha, Wisconsin  53149
USA
www.gehealthcare.com