Mindray Resona 7 Service Manual page 309

ELECTRICAL SAFETY INSPECTION
1) From the MAIN MENU, or with the outlet unpowered, plug the DUT into the 601
2) Attach the applied parts to the 601PRO applied part terminals.
3) Attach the red terminal lead to a conductive part on the DUT enclosure.
4) Press shortcut key 7. The Mains on Applied Part test is displayed.
5) Select the desired outlet configuration and applied part to test using the appropriate SOFT
KEYS:
6) Press START TEST (SOFT KEY 1) to begin the test.
7) Press the print data key to generate a printout of the latest measurement.
NOTE
1, In addition to Probes ,Patient leakage current test should be perform if ECG or PCG parts
used;
2, If all of the applied parts correspond to the instrument type, the applied parts will be tied
together and one reading will be taken. If any of the applied parts differ from the instrument type, all
applied parts will be tested individually, based on the type of applied part. This applies to Auto and
Step modes only.
Failure
Check any broken of the Applied part. 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
7-
Mains on Applied Part Leakage
Figure 3 Mains on Applied part leakage
Electrical Safety Inspection
A-13