Troubleshooting
10-5
RAM error Faulty RAM circuit on the CPU board.
• Contact authorized service
personnel.
Recorder module removed There is no recorder module.
• Reconnect the N-FREC or N-FCREC
module if you need a recorder.
Replace Battery A
Replace Battery B
There is hardly any charge left in one
of the batteries. Also check the symbol
on screen.
• Replace the battery as soon as
possible.
Replace D-fend Water trap is partially blocked. This
decreases air flow.
• Replace the water trap.
Sample line blocked The sampling line inside or outside the
monitor is blocked, or the water trap is
occluded.
• Change the sampling line and
water trap.
Select inflation limits You are using a hose without an
automatic identification. When you try
to start the measurement, the monitor
goes automatically to the selection
NIBP Setup - Inflation Limits.
• Select appropriate inflation limits.
NOTE: Auto option is not available
for these hoses.
Sensor INOP The gas measuring sensor is
inoperative or the temperature in the
module has increased.
• Contact authorized service
personnel.
Small resp curve Signal amplitude is less than 0.4 ohms.
SpO2 probe off The finger or ear lobe may be too thin
or sensor halves are not aligned.
• Check connection between sensor
and patient.
• Replace the sensor.
SRAM error Faulty SRAM circuit on the CPU board.
• Contact authorized service
personnel.
Tachy HR is equal to or above the higher
alarm limit.
• Check the patient status.
Temperature error The self-check has found an error in
the temperature measurement.
• Contact authorized service
personnel.
Unable to measure Dia Accurate diastolic pressure not
achieved because of artifacts, weak
pulsation etc.
• Check the patient status.
• Check the NIBP cuff placement.
• Perform a new NIBP measurement.
Unable to measure Sys Systolic pressure probably higher than
maximum inflation pressure, or
artifacts interfere in the systolic area.
• Check the patient status.
• Check the inflation limits.
• Perform a new NIBP measurement.
Unstable zero pressure Pressure is unstable at start of the
measurement.
• Calm the patient and retry.
Message Explanation What to do
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