Welch Allyn Corival V2 - User Manual User Manual
Page 29

Operator Manual
Corival
 
 
29
The intervals of the measurements should not be too short. Intervals of 2 minutes and more 
result in long pauses between the stenoses, so that venous congestion and artiospasm can be 
avoided. 
D.3
Installing the BP cuff
To install a BP option purchased afterwards, follow the instructions given in the user guide 
supplied with the ergometer. 
Installation of the BP module itself has to be done by service personnel only. 
D.3.1 Analog ECG trigger
The BP module offers the possibility to use an analog heart rate input signal as a trigger for 
the BP measurement. Use this option if your ECG device has only an analog output available 
instead of TTL. Refer to the user guide for this modification which has to been done by 
service personnel only. 
 
D.4
Abort codes BP system
 
Prior. 
Error message
Display
Possible error cause
1
 
@CHECK ECG 
SIGNAL
!
0 / 0 mmHg
 ECG trigger not connected. 
 ECG trigger properties not correct. 
 ECG trigger polarity not correct. 
 QRS pulse width smaller than 10 ms.  
2
 
@CUFF 
OVERPRESSURE
!
0 / 0 mmHg
Strong arm movements during the blood
pressure measurement.
Air hose is bent or blocked.
3
 
@AIR LEAK! 
0 / 0 mmHg
 Cuff is loose or not connected. 
 Air hose or air-bubble leak. 
 Air hose not connected. 
4
 
@SERVICE 
REQUIRED
!
BP
value
Fatal error ...Get in touch with the company
Lode.
5
 
@CHECK ECG/ 
MICROPHONE
!
BP
value
Poor patient hook-up (irregular ECG-signal) or
poor trigger signal.
AND
Abnormal microphone-signal or damaged
microphone.
6
 
@CHECK 
MICROPHONE
!
BP
value
Wrong Microphone placement or defect
microphone.
7
 
@CHECK ECG/ 
ARTIFACT
!
BP
value
ECG trigger signal failed during blood pressure
measurement.
 Bad or irregular ECG-signal during the blood 
pressure measurement.
AND
Excessive movements of the patient during the
blood pressure measurement.
8
 
@ARTIFACT/ARM 
BP
value
Excessive movements of the patient during the
blood pressure measurement.
