25-2 
25.2 Maintenance and Testing Schedule 
The following maintenance and tests, except for visual inspection, power on test, touchscreen 
calibration, battery check, and recorder check, shall be carried out by the service personnel 
only. Contact your service personnel if any maintenance is required. Make sure to clean and 
disinfect the equipment before any test and maintenance.   
Check/Maintenance Item  Recommended Frequency 
Preventative Maintenance Tests 
Visual inspection  When first installed or reinstalled. 
NIBP test  Pressure check  1. If the user suspects that the measurement is 
incorrect. 
2. Following any repairs or replacement of relevant 
module. 
3. At least once a year. 
 
Leakage test 
CO
2
 tests 
Leakage test 
Performance test 
Calibration 
Performance Tests 
ECG test and 
calibration 
Performance Test  1. If the user suspects that the measurement is 
incorrect. 
2. Following any repairs or replacement of relevant 
module. 
3. At least once every two years. At least once a year 
is recommended for NIBP and CO
2
. 
 
Calibration 
Resp performance test 
SpO
2
 test 
NIBP test  Pressure check 
Leakage test 
Temp test 
IBP test and 
calibration 
Performance test 
Pressure calibration 
C.O. test 
CO
2
 tests and 
calibration 
Leakage test 
Performance test 
Calibration 
Nurse call function test  If the user suspects that the nurse call or analog 
output does not work well. 
Analog output performance test 
Electrical Safety Tests 
Electrical Safety Tests  At least once every two years. 
Other Tests 
Power-on test  1. When first installed or reinstalled. 
2. Following any repairs or replacement of any main 
unit parts.