Mindray Passport 5-Lead, Service Manual

Page: 172 / 544

Operation (XG) Operation (5-Lead, 5L, LT and XG)
1 - 160 0070-00-0420 Passport 5-Lead, 5L, LT, XG Service Manual
measurement.
• Do not place cuff on extremity that has an IV.
• Cuff should be at heart level.
1.6.19.2 SpO
2
Messages
The following messages pertain to Nellcor SpO
2
Operation.
MESSAGE REASON SOLUTION
SpO
2
NO SENSOR No sensor is connected to the monitor. Attach sensor cable to
the monitor.
SpO
2
SENSOR OFF Sensor may not be connected to the patient. Check patient
connection.
SpO
2
INTERFERENCE Noise detected on the pulse signal prevents
pulse discrimination.
Decrease patient
motion, check sensor.
SpO
2
PULSE SEARCH Hardware settings are being adjusted in
order to discriminate a pulse waveform.
Change to site where
pulse is stronger if
patient is
vasoconstricted.
Change or readjust
sensor if loose.
SpO
2
WEAK PULSE Detected patient pulse is marginal. Change site.
SpO
2
NO PULSE No detectable pulse is measured.
SpO
2
CHECK SENSOR Insufficient light is received by the sensor
detector, or the sensor has a malfunction.
Check alignment of
emitter and detector or
change sensor.
SpO
2
PR UNDER 30 Detected pulse rate is below thirty beats per
minute.
Check patient status.
Check alignment of
sensor. Reapply sensor.
SpO
2
PR OVER 250 Detected pulse rate is above 250 bpm. Check patient status.
Decrease patient
motion. Reapply sensor.
SpO
2
UNCALIBRATED Detected SpO
2
falls below calibrated range. Check patient status.
Check sensor.
SpO
2
SYSTEM CHECK Self test is being performed. Wait for completion of
self test.
SpO
2
FAILURE ROM checksum fail. RAM test fail. Filter
mismatch. Offset mismatch.
Power cycle unit. If
message reappears, call
Service.
MESSAGE REASON SOLUTION
SpO
2
SYSTEM
CHECK
Self test is being performed. Wait for completion of
self test.
SpO
2
NO SENSOR No sensor is connected to the monitor. Attach sensor cable to
the monitor.
SpO
2
PULSE SEARCH Hardware settings are being adjusted in order
to discriminate a pulse waveform.
Change to site where
pulse is stronger if
patient is
vasoconstricted.
Change or readjust
sensor if loose.
SpO
2
NO PULSE No detectable pulse is measured.