Mindray DC-68, Service Manual

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A-10 Electrical Safety Inspection
ELECTRICAL SAFETY INSPECTION
6-
Patient Leakage Current
5) Modify the configuration of the front panel outlet by pressing the appropriate SOFT KEY on the
601PRO.
6) Press the print data key at any time to generate a printout of the latest measurement.
Figure 2 patient leakage Current

NOTE
1, In addition to Probes ,Patient leakage current test should be perform if ECG or PCG parts
used;
2, If the current test standard being used does not include Patient Leakage DC readings, or the
DC option is not enabled, then DC readings will not be available through the APPLIED PART SOFT
KEY selections. Refer to Chapter 8, Standards and Principles.

Failure
Check any broken of the Applied parts. Replace any defective one.
Check any broken of the ECG/PCG module if used, Replace any defective one.
Check any broken of the Power Unit. Replace a new one if any portion defective.
Inspect wiring for bad crimps, poor connections, or damage.
Test the wall outlet; verify it is grounded and is free of other wiring abnormalities. Notify the user
or owner to correct any deviations. As a work around, check the other outlets to see if they could be
used instead.
Change another probe to confirm if the fail is caused by console.
Inspect wiring for bad crimps, poor connections, or damage.
If the leakage current measurement tests fail on a new unit and if situation can not be
corrected, submit a Safety Failure Report to document the system problem. Remove unit from
operation.
If all else fails, stop using and inform the Customer Service Engineer for analysis and disposal.
LIMITS