Welch Allyn Connex ProBP 3400 digital blood pressure device - User Manual - Manual (Page 72)

Possible cause Corrective action and explanation
the Step algorithm to inflate the cuff to a higher
pressure, then attempt to measure the blood pressure
while deflating the cuff.
Arm movement during blood pressure cycle Keep arm still during blood pressure cycle.
Movement may cause inaccuracies from artifact.
Blood pressure taken over clothing Take blood pressure on a bare arm.
Arrhythmia
Check for regularity of heart rate (palpate pulse or
check device).
Moderate to severe heart rate irregularities may make
blood pressure difficult to measure accurately.
Device does not turn on
Possible cause Corrective action and explanation
Low battery Plug in the device. Check connections between the
ProBP 3400 and the transformer, then between the
transformer and wall receptacle.
Battery installed incorrectly
Using the polarized guidelines on the battery label,
insert the battery, positive (+) side first, into the
battery compartment.
Device not powering up Unplug the device from wall receptacle and check for
breaks in the cord. If connections are secure, check
electrical outlet for power. Charging indicator is on if
connections are good and the device is plugged into a
working outlet.
Plug the device into a known working electrical outlet.
The device may not power up if the battery is
completely discharged. Connect the device to an
external power source for at least 15 minutes before
attempting to power up again. If device powers up,
charge the battery for at least six hours before
disconnecting the device from the power supply.
Replace the battery.
Notify Biomedical department or Welch Allyn
Technical Support.
System error The device displays a system fault message that
contains a wrench icon
and a system fault code
to assist service and engineers in diagnosing the
problem.
66 Troubleshooting Welch Allyn Connex® ProBP™ 3400 digital blood pressure device