Welch Allyn Spot Vital Signs 4400, Service Manual

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WARNING
Inaccurate measurement risk. The device is not intended for use
during patient transport outside of the medical facility. Do not use the device to
take measurements on any patient in transit.
WARNING
Inaccurate measurement risk. Do not connect more than one patient
to a device.
WARNING
Inaccurate measurement risk. Dust and particle ingress can affect the
accuracy of blood pressure measurements. Use the device in clean environments
to ensure measurement accuracy. If you notice dust or lint build-up on the
device's vent openings, have the device inspected and cleaned by a qualified
service technician.
WARNING
Inaccurate measurement risk. Do not expose to temperatures higher
than 122º F (50º C).
WARNING
Inaccurate measurement risk. Do not use the device on patients who
are on heart-lung machines.
WARNING
Inaccurate measurement risk. Do not use the device on patients who
are experiencing convulsions or tremors.
WARNING
Liquids can damage electronics inside the device. Prevent liquids from
spilling on the device.
If liquids are spilled on the device:
1. Power down the device.
2. Disconnect the power plug.
3. Remove battery pack from the device.
4. Dry off excess liquid from the device.
NOTE
If liquids possibly entered the device, remove the device
from use until it has been properly dried, inspected, and tested by
qualified service personnel.
5. Reinstall battery pack.
6. Reconnect the power plug.
7. Power on the device and verify that the device functions normally before using it.
WARNING
The device may not function properly if dropped or damaged. Protect
it from severe impact and shock. Do not use the device if you notice any signs of
damage. Qualified service personnel must check any device that is dropped or
damaged for proper operation before putting the device back into use.
WARNING
Defective batteries can damage the device. If the battery shows any
signs of damage or cracking, it must be replaced immediately and only with a
battery approved by Welch Allyn.
WARNING
Personal injury risk. Improper handling of the battery can lead to heat
generation, smoke, explosion or fire. Do not short-circuit, crush, incinerate, or
disassemble the battery. Never dispose of batteries in refuse containers. Always
recycle batteries according to national or local regulations.
WARNING
Use only Welch Allyn approved accessories, and use them according
to the manufacturer’s directions for use. Using unapproved accessories with the
device can affect patient and operator safety and can compromise product
performance and accuracy, and void the product warranty.
Service manual About warnings and cautions 7