Vital Signs Monitor Service Manual Test and Maintenance
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If any failure is detected, refer to Section Operation Failures for details.
NOTE:
Prior to use, please ensure the scanner is normally installed and set.
4.1.6 Recording Test
Check if the recorder can perform printing without problem. Also, check if all the printed traces
are correct and clear on the paper.
If any failure is detected, refer to Section Recorder Failures for details.
NOTE:
Please make sure paper is well loaded and the setting is correct before printing.
4.1.7 Alarm Test
Trigger a signal that is higher than the upper limit or lower than the lower limit to activate a
physical alarm. Disconnect one of the accessories from the monitor to activate a technical alarm.
Check if the audible and visible alarms work properly.
If any failure is detected, refer to Section Alarm Failures for defective details.
4.2 Functional Tests and Accuracy Tests
WARNING
1 Functional tests and accuracy tests must only be carried out by qualified service
personnel.
2 If function of the monitor is in question, conduct an overall test on the function and
accuracy of the monitor according to the instructions offered by the manufacturer.
3 A functional tester, such as SpO
2
simulator and NIBP simulator, can only be used to
assess the parameter consistency and function but not to be used to assess the
clinical measurement accuracy.
A functional check should be performed once possible device malfunction emerges or after
servicing the device.
It is unnecessary to open the device case for functional checks.
4.2.1 SpO
2
Functional Test
This test checks the function of the SpO
2
measurement. SpO
2
simulator is required for this test.
1. Connect the monitor and the SpO
2
simulator with a SpO
2
cable.
2. Switch on the monitor and the simulator.
3. Set the SpO
2
output in the simulator to 70(%).
4. Check for the display on the monitor. A difference within the range of ±2% is reasonable.
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