DM DOC 040 Rev 1.0
System Messages
The following chart lists all system messages displayed on the LCD screen, the cause of the
message and the action(s) to be taken. The operator should become thoroughly familiar with this
information before using the oximeter for patient monitoring.
Message
Possible Cause(s)
Recommendation
AMBIENT LIGHT
• Too much light on patient
(sensor).
• Inadequate tissue covering
sensor detector.
• Remove or reduce
lighting.
• Cover sensor from light.
• Reposition sensor.
DEFECTIVE CABLE
• Oximeter cannot identify the
connected cable or the cable
has failed.
• Inoperative or faulty cable
• Replace cable.
• Refer to the Directions for
Use of the cable being used.
INCOMPATIBLE SENSOR
• Not a proper Masimo sensor. • Replace with a proper
Masimo sensor.
INVALID SENSOR
• Oximeter cannot identify the
connected sensor.
• Broken sensor cable wire or
inoperative LEDs or faulty
detector.
• The sensor has failed.
• Replace sensor.
• Refer to the instructions for
the sensor being used.
LOW BATTERY
• Battery charge is low.
• Charge battery by powering
the unit with the AC line power
adapter.
• Replace battery if necessary.
LOW PERFUSION
• Signal too small.
• Move sensor to better
perfused site.
• Refer to Chapter 3, Low
Perfusion.
LOW SIGNAL IQ
• Low signal quality.
• Ensure proper sensor
application.
• Move sensor to a better
perfused site.
• Refer to Chapter 3, Signal IQ.
© 2013 DanMedical Ltd
62
