GE HEALTHCARE B20, User'S Reference Manual

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B40/B20 Patient Monitor
9-4
Every two months
•
Change the water trap when the ‘ Replace D-Fend ’ message displays on the screen.
•
Perform gas calibration in continuous use, see “ Calibrating ” in Gas chapter for detail
procedures.
Every six months
Gas calibration
Perform gas calibration for airway gas monitoring according to the instructions in the relevant
section. If gas measurement is in extensive use, calibration is recommended every two months.
See “
Calibrating ” in Gas chapter for detail procedures
NOTE: Do not wash or disinfect calibration gas sampling lines.
Condition the battery
Battery conditioning is needed if the ‘ Condition Battery X ’ message is displayed.
Condition the battery by fully discharging and recharging the battery twice according to the
following procedure:
NOTE: The patient monitor must be in a discharged state during battery conditioning.
Disconnect any acquisition modules from the patient monitor if connected.
1. Turn on the patient monitor. Disconnect the power cord from the wall outlet. Leave the
patient monitor on until the battery is fully discharged and the patient monitor turns off
automatically.
NOTE: Ignore the ‘
Battery Low ’ and ‘ Battery Empty ’ messages when discharging the
battery.
2. Reconnect the power cord to the wall outlet and turn on the patient monitor. Leave the
patient monitor on until the battery is fully recharged and the orange battery charging
indicator LED turns off.
3. Repeat the steps 1 and 2 once.
The battery is now conditioned and ready for use. However if the ‘ Condition Battery X ’
message is still shown on the screen, replace the battery or contact your service.
Every 12 months
Planned maintenance check
The annual check according to detailed instructions of the "Technical Reference Manual"
requires trained service personnel and appropriate testing tools and equipment.
Calibration check of temperature, NIBP and invasive blood pressures
Calibration check of temperature, NIBP and invasive blood pressures should be performed at
least once a year by qualified service personnel as a part of the Maintenance, see "Technical
Reference Manual”.
Power interruption
NOTE: Always use the monitor with batteries inserted. Otherwise all trend data and
temporary settings are lost if the power cable is detached from the mains.
If the monitor is turned off, patient data and the latest user-made settings remain in the
monitor memory for 15 minutes even if the mains power is interrupted. If not, contact service
personnel. After 15 minutes, patient data is lost and the monitor returns to the user default
settings.