User Manual

48 Chapter 4 Alarms and alerts Welch Allyn Vital Signs Monitor 300 Series
Recoverable SpO
2
alert—escalated
An SpO
2
equipment alert is always escalated immediately to the level of a patient alarm if
it occurs when both of the following conditions exist:
SpO
2
monitoring has begun and the monitor has recorded an SpO2
measurement
An SpO
2
or Pulse Rate alarm limit has been set
See “Responding to a patient alarm” on page 47.
Recoverable NIBP alert—escalated
An NIBP equipment alert is escalated to the level of a patient alarm whenever both of the
following conditions exist:
Two consecutive NIBP equipment alerts occur while the monitor is taking
automatic NIBP/PR measurements
Alarms are enabled
See “Responding to a patient alarm” on page 47.
Nonrecoverable alerts
When the monitor detects a nonrecoverable equipment problem, it does the following:
Displays an error code in the SYS window, and shuts off the display to all
other windows
Stops patient monitoring
Stops the pump and opens the air valve
Activates the Nurse Call relay (if connected)
Produces an audible tone
Shuts down as soon as is pressed or one minute has elapsed
Response
For both recoverable and nonrecoverable equipment alerts, respond as follows:
1. Press to immediately silence the alert tone.
2. Determine what caused the alert and correct the problem.
Note
For information about a battery alert, see “Battery low warning” on page 65 and
“Battery failure” on page 65.