D - 10 BeneVision N Series Patient Monitor Operator’s Manual
D.2.13 AG Technical Alarm Messages
D.2.14 RM Technical Alarm Messages
D.2.15 BIS Technical Alarm Messages
Alarm message Default priority
Indication on 
alarm reset
Cause and solution
AG No Watertrap Low B Check the connections of the watertrap and re-
connect it.
AG: Change Watertrap Low C Replace the watertrap.
AG Watertrap and Patient 
Mismatch
Low C Check the patient category and use a correct 
watertrap.
AG Zero Failed Low C There is external electromagnetic interference, 
airway occlusion or module failure.
1. Check for external inference sources.
2. Check for “AG Airway Occluded” alarm 
message. Remove the occlusion.
3. If the alarm persists, contact your service 
personnel.
Anesthetic Mixture Low C Anesthetic mixture is detected.
AG Airway Occluded Low C 1. Check if the sample line is occluded.
2. Check the sample line.
3. Replug the module.
4. If the alarm persists, contact your service 
personnel.
Alarm message Default priority
Indication on 
alarm reset
Cause and solution
RM No Sensor Low A Check and reconnect the sensor.
RM Zero Failed Low C Replug the module. If the alarm persists, contact 
your service personnel.
RM Sensor and Patient 
Mismatch
Low C
Patient Category is set to Adult, but a neonatal 
sensor is used. Check patient category setting 
and use correct RM sensor.
Alarm message Default priority
Indication on 
alarm reset
Cause and solution
BIS Sensor Off Low A Check and reconnect the BIS sensor. If the alarm 
persists, replace the sensor.
BIS Electrode XX Off Low A Check the electrode connection, and re-attach 
the electrodes if necessary.
BIS Electrode XX Poor 
Contact
Low A Enter the 
Sensor Check menu, and check the 
connections of the sensor and electrodes.
BISx Error High C Replug the module. If the alarm persists, contact 
your service personnel.