Mallinckrodt NPB-190 Instrukcja Operatora Pobierz pdf (Strona 55)

TROUBLESHOOTING AND MAINTENANCE

Troubleshooting

EMI Interference

Obtaining Technical Assistance

Returning the NPB-290

Maintenance

TROUBLESHOOTING

WARNING: if you are uncertain about the accuracy of any

measurement, check the patient’s vital signs by alternate

means; then make sure the monitor is functioning correctly.

WARNING: The cover should be removed only by qualified

service personnel. There are no user-serviceable parts inside.

If you experience a problem while using the NPB-290 and are

unable to correct it, contact qualified service personnel or

Mallinckrodt’s representative. The NPB-290 service manual,

which is for use by qualified service personnel, provides

additional troubleshooting information.

Following is a list of possible errors and suggestions for

correcting them.

1. There is no response to the Power On/Off button.

• If operating on AC power, ensure that the supply voltage

selector switch is set to the proper voltage.

• If operating on AC power, the fuse may be blown.

Notify service personnel to check and, if necessary,

replace the fuse.

• If operating on battery power, the battery may be missing

or discharged. If the battery is discharged, notify service

personnel to charge or replace the battery.

2. One or more display segments or indicators do not light

during the power-on self-test.

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Mallinckrodt NPB-190 Instrukcja Operatora Strona 55