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•
Excessive environmental motion or
electromagnetic interference may be preventing the
NPB-40 from tracking the pulse. Remove the
source of interference or try to stabilize the
environment, or do both.
5. Er followed by a number appears on the display.
•
Disconnect the sensor from the NPB-40. Restart
the NPB-40. If error code appears again, record the
number and provide that information to qualified
service personnel or your local Nellcor
representative.
EMI (Electro-magnetic Interference)
Caution: This device has been tested and found to
comply with the limits for medical devices to the
EN60601-1-2, (second edition), and the Medical
Device Directive 93/42/EEC. These limits are designed
to provide reasonable protection against harmful
interference in a typical medical installation.
However, because of the proliferation of radio-frequency
transmitting equipment and other sources of electrical
noise in health care environments (for example,
electrosurgical units, cellular phones, mobile two-way
radios, electrical appliances, and high-definition
television), it is possible that high levels of such
interference due to close proximity or strength of a
source may result in disruption of performance of this
device.
NPB-40
Troubleshooting
105
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