16-4
Check/Maintenance Item Recommended Frequency
Preventive Maintenance
Visual inspection When first installed or after reinstalled.
NIBP Tests
Pressure check
1. If the user suspects that the measurement is
incorrect.
2. Following any repairs or replacement of the
module.
3. At least once a year
Leakage Test
CO
2
Test
Leakage test
Performance test
Calibration
Performance Test
SpO
2
Test
1. If the user suspects that the measurement is
incorrect.
2. Following any repairs or replacement of the
module.
3. At least once every two years for SpO
2
and
Temp, and at least once a year for NIBP and CO
2
.
NIBP test
Pressure check
Leakage test
Temp test
CO
2
test and
calibration
Leakage test
Performance test
Calibration
Nurse Call Relay Performance Test
If user suspects that the nurse call or analog output
does not work well.
Electrical safety tests
Electrical safety tests At least once every two years, or as required.
Other tests
Power on test
1. When first installed or after reinstalled.
2. Following any maintenance or the replacement
of any main unit parts.
Touchscreen Calibration
1. When the touchscreen appears abnormal.
2. After the touchscreen is replaced.
Recorder check Following any repair or replacement of the recorder.
Battery
check
Functionality test
1. When first installed.
2. Whenever a battery is replaced.
Performance test
Once a year or if the battery run time reduced
significantly.
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