Welch Allyn Spot Vital Signs 4400, Service Manual

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CAUTION
Before disassembling the device or installing options, disconnect the
patient from the device, power down the device, and disconnect the AC power
cord and any attached accessories (for example, SpO2 sensors, blood pressure
hoses and cuffs, and temperature probes) from the device.
CAUTION
To ensure that the device meets its performance specifications, store
and use the device in an environment that maintains the specified temperature
and humidity ranges.
CAUTION
Do not operate the device in the presence of magnetic resonance
imaging (MRI) or hyperbaric chambers.
CAUTION
Electric shock hazard. Do not sterilize the device. Sterilizing the device
could damage the device.
CAUTION
United States Federal law restricts this device to sale, distribution, or
use by or on the order of a physician or licensed healthcare professional.
CAUTION
Electromagnetic interference risk. The device complies with applicable
domestic and international standards for electromagnetic interference. These
standards are intended to minimize medical equipment electromagnetic
interference. Although this device is not expected to present problems to other
compliant equipment or be affected by other compliant devices, interference
issues still may occur. As a precaution, avoid using the device in close proximity to
other equipment. In the event that equipment interference is observed, relocate
the equipment as necessary or consult manufacturer's directions for use.
CAUTION
Do not move the stand while the power source is plugged into the
mains outlet.
CAUTION
Do not sterilize the device. Sterilizing the device could harm the device.
CAUTION Use only a Class I (grounded) AC power cord to charge the power
source for the device.
CAUTION Never move the device or mobile stand by pulling on any of the cords.
This may cause the device to tip over or damage the cord. Never pull on the
power cord when disconnecting the cord from the mains outlet. When
disconnecting the power cord, always grasp the attachment plug. Keep the cord
away from liquids, heat, and sharp edges. Replace the power cord if the strain
relief, cord insulation, or metal prongs are damaged or begin to separate from the
attachment plug.
CAUTION Use only the Welch Allyn USB client cable to connect a laptop
computer to the USB client port. Any laptop connected to the device must be
running on a battery, a 60601-1 compliant power supply, or a 60601-1 compliant
isolation transformer.
CAUTION If the touchscreen is not responding properly, refer to the
troubleshooting section. If the problem cannot be resolved, discontinue use of the
device and contact an authorized Welch Allyn service center or qualified service
personnel.
CAUTION If the device stops operating within its design specifications, remove it
from service and have it inspected by a qualified service person.
Service manual About warnings and cautions 9