Service manual
CARDELL MONITOR SERVICE MANUAL
21-02-0286 REV. 02 05/09
59
ERROR MESSAGES
The CARDELL Monitor displays a variety of messages to aid the user in monitor operation. If a
troubleshooting message is displayed during a measurement, follow the actions listed to correct
the situation.
If the monitor does not turn on, or exhibits a flashing display and failure to operate, the battery is
most likely below the Dead Battery point. Connect the monitor to an AC wall outlet and allow it
to charge for four (4) hours.
If the monitor is in need of repair, it must be referred to the appropriate service personnel.
Service performed by unauthorized personnel could be detrimental to the monitor and will void
the warranty. For service, contact CAS Medical Systems, Inc.
SpO
2
USER MESSAGES
(Model 9402)
If the accuracy of any measurement does not seem reasonable, first check the patient’s vital
signs by an alternate method.
NOTE:
The SpO
2
probe must be kept as motionless as possible to make a proper determination. Use
the SpO
2
strength bar graph to determine if a strong rhythmic pulse signal is present.
When no oximeter probe is attached to the monitor, the %SpO
2
window and signal strength
window will be blank. When no SpO
2
pulse data is available, the monitor will display the last
NIBP pulse.
When the probe is connected to the monitor, but is off of the patient, the message “–“ is
displayed in the %SpO
2
and Pulse Rate windows. The Message Window flashes the message
“Prb OFF” and three (3) audio “beeps“ are heard every twenty-five (25) seconds.
Press the SILENCE/RESET pushbutton. The monitor silences the audible alarm tone, but the
message remains.
If the message “Prb” should appear in the %SpO
2
window, verify that the probe being used is
the correct one for the monitor’s SpO
2
configuration (Nellcor, Nonin) or that the probe is not
defective.
Press the SILENCE/RESET pushbutton. The monitor silences the audio alarm tone, but the
message remains. Remove the defective probe and replace it with a working probe.
If the SpO
2
Module located inside the CARDELL Monitor should fail, the message “Err” will
appear in the %SpO
2
display window.
Press the SILENCE/RESET pushbutton. The monitor silences the audio alarm tone, but the
message remains.
Should any of the above problems persist, contact CAS Medical Systems, Inc.
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