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Performance Assurance Checks
13-18 Maintenance
Maintenance
Performing
the tcpO
2
/
tcpCO
2
Module Self-
Test
Auto Check - The check is performed automatically when the system is
switched on, during calibration and continuously when no transducer is
connected. When the auto check fails, the INOP message “Equipment
Malfunction'' is given (refer to the Troubleshooting Chapter in the
service manual for troubleshooting details).
Self-Test - The tcpO
2
/tcpCO
2
module self-test may be performed at any
time. The test signal lasts about 30 seconds and then the display returns
to the normal monitoring mode.
TEST - Press
RESULT - If the module is functioning correctly, the following numerics
are displayed without the alarms being activated:
tcpO
2
60 mmHg (8.0 kPa)
tcpCO
2
40 mmHg (5.3 kPa)
Caution
Radiated immunity: If operating under conditions according to EN
60601-1-2 up to 1 V/m electrical field strength, the following deviations in
the measurements could occur: tcpO
2
2 mmHg or less, tcpCO
2
1 mmHg
or less. It is recommended to avoid the use of electrically radiating
devices in close proximity to a tcpO
2
/tcpCO
2
monitor.
Monitor Setup
Test Signals
Pts
Refernce
Signals