
5-8 Radical-7 Color Display Signal Extraction Pulse Oximeter Operator’s Manual Radical-7 Color Display Signal Extraction Pulse Oximeter Operator’s Manual 6-16-1
6
troubleshooting
Troubleshooting
The following chart describes what to do if the Radical-7 Pulse CO-Oximeter system
does not operate properly or fails.
PROBLEM POSSIBLE CAUSE(S) RECOMMENDATION
DIFFICULTY OR NO
SpCO/SpMet READING
Low battery/ not plugged
into AC power supply
Interference from line-frequency
induced noise.
Verify/set 50/60hz menu setting.
Refer to Section 3, Initial Setup for
details.
Inappropriate sensor
Verify use of an SpCO/SpMet
capable sensor.
Excessive motion
Minimize or eliminate motion at the
monitoring site.
Excessive ambient or
strobing light
Shield the sensor from excessive
light.
Also, see Section 4, Successful Monitoring for additional
information.
UNIT DOES NOT POWER
ON.
One or both of the fuses
have blown.
Replace the fuses.
UNIT POWERS ON BUT
THE GRAPHIC DISPLAY
IS BLANK.
The viewing contrast is
not correct.
Use the Backlight/Contrast button
to adjust the viewing angle. If the
condition persists, the unit requires
service.
CONTINUOUS SPEAKER
TONE.
Internal failure.
Unit requires service. Press the
Alarm Silence button to silence
the alarm. If alarm continues to
sound, power down unit and remove
Handheld battery if necessary.
BUTTONS DON’T WORK
WHEN PRESSED
Internal failure. Unit requires service.
The following chart describes what to do when encountering common problems:
PROBLEM POSSIBLE CAUSE(S) RECOMMENDATION
HANDHELD BATTERY
DOES NOT CHARGE
AC power cable may be
disconnected.
Restore power to the device.
PRINT FUNCTION DOES
NOT WORK
Wrong serial cable is
used.
Make sure a null modem cable is
used.
LED LIGHTS ON LEFT
SIDE OF DOCKING STA-
TION CONTINUOUSLY
FLASH
Incompatable version of
software on Radical-7
handheld and docking
station.
Upgrade to current software ver-
sions.
Match handheld to docking station
with compatable software versions.
BATTERY RUN-TIME
IS SIGNIFICANTLY
REDUCED
Memory effects
Use Battery Discharge function as
described in Section 4, Service.
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