Mallinckrodt NPB-190 Návod k obsluze stáhnout pdf (Strana 57)

Troubleshooting and Maintenance

5. The Pulse Search indicator lights after successful

measurements have been made.

• Check the patient.

• Perfusion may be too low for the NPB-290 to track the

pulse. Test the instrument on someone else. Change the

sensor site. Try another type of sensor.

• Excessive patient motion may be preventing the

NPB-290 from tracking the pulse. Verify that the sensor

is securely applied and replace it if necessary. Change

the sensor site. Use a type of sensor that tolerates more

patient movement (for example, an adhesive sensor).

• The sensor may be too tight, there may be excessive

ambient light, or the sensor may be on an extremity with

a blood pressure cuff, arterial catheter, or intravascular

line. Reposition sensor, as necessary.

• Excessive environmental motion or electromagnetic

interference may be preventing the NPB-290 from

tracking the pulse. Remove the source of interference or

try to stabilize the environment, or do both.

6. The letters EEE, followed by a number, appear on the

display.

• This is an error code. To confirm, press the Power

On/Off button to turn the monitor off, then press the

button again to turn it back on. If the display shows the

error code once again, record the number and provide that

information to qualified service personnel, or your local

Mallinckrodt representative.

• Error Code “EEE 4” is displayed when the battery is

discharged to a critically low level. Check to ensure that

the voltage selector switch on the rear panel is set to the

proper voltage for your location.

• Turn the monitor off and let it charge for about 10

minutes and then turn the unit back on. If the error code

is still present, turn the unit off and let it continue to

charge. If the monitor has been charged for 30 minutes

and the error code is still present, notify service

personnel.

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Mallinckrodt NPB-190 Návod k obsluze Strana 57