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• The electrode is poor in quality or placed in a wrong position.
Check the electrodes, cables and their placement. Refer to "ECG
Monitoring" for details.
• Replace a lead.
Remove the ECG cable from the interface and insert it again.
Thick ECG baseline.
ECG cable is looped.
Other power cables are close to ECG lead cables.
Inappropriate power frequency.
Other problems related to RESP measurement
Symptoms
Possible reasons and solutions
Failure in RESP measurement.
• Check electrode quality and placement.
• Other electrical equipment may interfere the measurement.
Other problems related to NIBP measurement
Symptoms
Possible reasons and solutions
NIBP measurement can not be
performed.
• Check whether the cuff is bent, stretched, squeezed, or loose.
• Use a cuff in proper size.
Other problems related to TEMP measurement
Symptoms
Possible reasons and solutions
Failure in TEMP measurement.
• Check whether a appropriate probe is used.
• Try the other one.
Other problems related to SpO
2
measurement
Symptoms
Possible reasons and solutions
The signal is weak.
• Check the probe and its placement.
• Note that skin pigmentation can cause deviations.
• Make sure the patient is not trembling.
Other problems related to battery
Symptoms
Possible reasons and solutions
Battery working time significantly
shortens.
• Maintain the battery according to the descriptions in the manual
Other conditions
Other possible conditions and reasons are listed in the table.
Other operation problems
Symptoms
Possible reasons and solutions
The device can not print.
• The battery power is low and the host is not connected to AC.
The measurement value does not
display.
• Check if you have selected the required parameters for the waveform or
digital area.
The device can not turn on.
• Check whether the power cord is connected correctly.