11
866.4.Maxtec www.maxtec.com
NOTE: Use only the Maxtec approved external power supply in Section 9.0 Spare Parts and
accessories.
NOTE: The power supply is not a battery charger. DO NOT use rechargeable batteries.
4.0 SENSOR REMOVAL AND REPLACEMENT
The MaxO
2
ME is shipped with a new MAX-550E oxygen sensor.
Although the sensor has a very long expected life, eventually the sensor will
require replacement. Removing or installing a sensor, when necessary, is a
very simple procedure.
To remove and install a new sensor:
1. Grasp the sensor in one hand and, with the other hand, unscrew the cable
connector counter-clockwise at the sensor.
2. Pull out the cable connector plug from the expired sensor.
3. Unscrew the flow diverter from the sensor and discard the expired sensor or
return it to Maxtec for proper disposal.
NOTE: The sensor contains lead and lead acetate, be sure to dispose of expired sensors in
accordance with hospital, local, state and federal regulations.
4. Remove the new sensor from the packaging and remove the protective film
from the sensor face.
5. Insert the cable connector plug into the receptacle of the new sensor and
tighten the cable connector.
6. Screw the flow diverter onto the new sensor.
7. Wait approximately 20 minutes for the sensor to reach equilibrium.
8. Calibrate the new sensor.
NOTE: If the monitor is on when the sensor is detached and replaced, the monitor will
automatically force a re-calibration. The display will read “CAL”.
NOTE: If the cable locking nut is not fully fastened onto the sensor, then the sensor may not
function properly.
5.0 PROBLEM SOLVING
The MaxO
2
ME monitors have a self test feature built into the software to detect faulty
calibrations, oxygen sensor failures, and low operating voltage. These are listed below,
and include possible actions to take, if an error code occurs.
NOTE: The operator must be facing the device and positioned within 4 meters to distinguish
the visual alarm indicators. Audible alarms can be distinguished as long as the operator is in
the same room and the ambient noise level is typical for a clinical setting.
»
Low Battery Icon : If the low battery icon is displayed on the LCD readout at any time,
the batteries should be replaced as quickly as possible.
»
E01: Calibration error, sensor output lower than expected. See note below.
»
E02: No Sensor Attached, disconnect and reconnect external sensor. Unit should perform
BAT
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