Mindray BeneVision N19, Service Manual

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BeneVision N22/BeneVision N19 Patient Monitor Service Manual 3-3
Electrical Safety Tests
Electrical safety tests
Earth impedance
1. Following any repair or replacement of the power module.
2. When the patient monitor is dropped.
3. At least every two years or as required.
Earth leakage test
Patient leakage current
Patient auxiliary current
Other Tests
Power on test
1. When first installed or reinstalled.
2. Following any maintenance or the replacement of any main unit
parts.
Recorder check Following any repair or replacement of the recorder.
Network print test
1. When first installed.
2. Whenever the printer is serviced or replaced.
Device integration check
1. When first installed.
2. Following any repair or replacement of the external device.
Battery check
Function test
1. When first installed.
2. Whenever a battery is replaced.
Performance test
Once every two months or when the battery run time is reduced
significantly.
Mounting check
1. When first installed.
2. At least every two years or as required.
Note: Performance test is not required for the rSO
2
, and ScvO
2
modules, because the rSO
2
, modules perform self tests,
and the ScvO
2
needs to be calibrated prior to use.
3.2 Preventative Maintenance Procedures
3.2.1 Visual Inspection
Inspect the equipment for obvious signs of damage. The test is passed if the equipment has no obvious signs of
damage. Follow these guidelines when inspecting the equipment:

Carefully inspect the case, display screen, buttons, knobs, and handle for obvious signs of damage.
 Inspect the SMR and parameter modules for obvious signs of damage.
 Inspect the power cord, bracket and module accessories for obvious signs of damage.
 Inspect all external connections for loose connectors, bent pins or frayed cables.
 Inspect all connectors on the equipment for loose connectors or bent pins.

Make sure that safety labels and data plates on the equipment are clearly legible.