Welch Allyn Atlas Operator's Manual page 94

Check for good contact of electrodes to patient – shave, clean if necessary.
PROBLEM:
Impedance respiration waveforms are not displayed immediately.
RECOMMENDED ACTIONS:
Some impedance respiration signals will cause a delay of up to two minutes to properly display the
waveform. This time is required as the Atlas Monitor adapts to the specific signals and centers the
waveform on the screen.
E.1.6 Power
PROBLEM:
AC~ indicator not lit.
RECOMMENDED ACTIONS:
Atlas Monitor is specified to operate on any voltage from 100 to 240, and on 50 or 60 Hz – verify that the
service provided meets these requirements;
Check proper connection of AC cord in Atlas Monitor appliance socket.
Check proper connection of AC cord in wall outlet.
Check proper power cord for local outlet standards.
Check for tripped fuse or circuit breaker in AC service.
If no problems are found, have the unit repaired.
PROBLEM:
Atlas Monitor turns itself off without warning.
RECOMMENDED ACTIONS:
Atlas Monitor is designed to turn itself off if the battery is depleted (goes below 5 volts).
During normal usage, the "Battery depleted – shutdown imminent" warning message will appear before
the Atlas Monitor turns itself off.
Plug the Atlas Monitor into AC and allow the battery to charge for a few minutes before using the
instrument on AC.
If this problem occurs while you are using the Atlas Monitor and not at startup, it indicates that the battery
is likely defective or damaged.
The battery must be repaired/replaced.
You can still operate the Atlas Monitor on AC power if available.
PROBLEM:
Battery life is too short.
RECOMMENDED ACTIONS:
Model 622xx is specified for 1 hour of battery life when operating ECG, SpO , Temperature, and blood
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pressure, with one blood pressure measurement every 5 minutes, and one printout every 30 minutes;
Model 623xx is specified for 45 minutes of battery life when operating ECG, SpO , Temperature, CO ,
2 2
and blood pressure with one blood pressure measurement every 5 minutes, and one printout every 30
minutes;
Battery charge time is specified as 24 hours to full charge, 5 hours to 80% charge;
Battery charging occurs whenever unit is plugged in to AC power, whether it is operating or not;
The Atlas monitor should be plugged into AC power unless being used on a short-term transport.
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