D-5 
Measurement  Alarm message  L I Cause and solution   
NIBP  NIBP Loose Cuff  L  A The NIBP cuff is not properly connected, or 
there is a leak in the airway. 
NIBP Air Leak  L  A
NIBP Pneumatic Leak L  A Check the NIBP cuff and pump for 
leakages. 
NIBP Cuff Type 
Wrong 
L  A The cuff type applied mismatches the 
patient category. Verify the patient category 
and replace the cuff. 
NIBP Air Pressure Err L  A An error occurred to the air pressure. Verify 
that the monitor application site meets the 
environmental requirements and check if 
there is any source that affects the air 
pressure. 
NIBP Weak Signal  L  A The patient’s pulse is weak or the cuff is 
loose. Check the patient’s condition and 
change the cuff application site. If the error 
persists, replace the cuff. 
NIBP Signal Saturated L  A The NIBP signal is saturated due to excess 
motion or other sources. 
NIBP Overrange  L  A The measured NIBP value exceeds the 
module measurement range. 
NIBP Excessive 
Motion 
L  A Check the patient’s condition and reduce the 
patient motion. 
NIBP Cuff Overpress.  L  A The NIBP airway may be occluded. Check 
the airway and measure again. 
NIBP Equip Err  H  A An error occurred during NIBP 
measurement and therefore the monitor 
cannot perform analysis correctly. Check 
the patient’s condition and NIBP 
connections, or replace the cuff. 
NIBP Timeout  L  A
NIBP Measure Failed  L  A
NIBP Illegally Reset    L  A An illegal reset occurred during NIBP 
measurement. Check if the airway is 
occluded. 
IBP  YY Sensor Off  L* A Check the sensor connection and reconnect 
the sensor. 
YY Disconnected  H  C The liquid way is disconneted from the 
patient, or the three-way valve is open to the 
air. Check the connection of the liquid way, 
or check the valve is open to the patient. If 
the problem remains, contact the Customer 
Services Dept. for help.