Maternal Pulse Oximetry Troubleshooting - GE Corometrics 250 Series Service Manual

Maternal Pulse Oximetry Troubleshooting

Problem
COMM message shown in MSpO
display.
Dashes (– – –) shown in MSpO
area.
MHR/P Pulse source is blank when MSpO
is selected
REPAIR message shown in MSpO
display. (Nellcor only)
Revision D
Troubleshooting: General Troubleshooting
Table 29. Maternal Pulse Oximetry Troubleshooting
Probable Cause
area of Communication error between the built-
2
in MSpO module and the remainder of
2
the monitor circuitry.
display Monitor unable to make a determination
2
due to insufficient signal.
Improperly applied sensor.
Excessive maternal movement.
Excessive ambient light.
Damaged sensor
Normal mode selected
2
area of System error or self-test failure.
2
250 Series Maternal/Fetal Monitor
2020551-001
Possible Solution
Contact Biomedical Engineering
Department.
Check patient. The patient may be
experiencing shock, hypotension,
severe vasoconstriction, severe
anemia, hypothermia, arterial occlusion
proximal to the sensor, or cardiac
arrest.
Ensure that the intermediate cable is
firmly attached to the monitor and to
the sensor assembly.
Ensure sensor is not too tight. Move
sensor to another location.
Restrict patient limb movement.
Restrain limb if necessary.
Cover sensor with opaque material.
Replace sensor.
Select Fast mode on MSpO Setup
2
screen.
Contact Biomedical Engineering
Department.
Error Log Screen
5-51