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Rad-8 Signal Extraction Pulse Oximeter Operator’s Manual
Rad-8 Signal Extraction Pulse Oximeter Operator’s Manual
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6
t r o u b l e s h o o t i n g
T r o u b l e s h o o t i n g
The following chart describes what to do if the Rad-8 system does not operate properly
or fails.
DISPLAY
TYPE
SOLUTION
UNIT DOES NOT
POWER ON
Low battery/ not plugged
into AC power supply
Check / plug into AC power supply.
CONTINUOUS
SPEAKER TONE
Internal Failure
Unit requires service. Press the Alarm
Silence button. If alarm continues to
sound, power down unit. If the power
button does not turn the unit off, press
and hold the sensitivity and alarm
suspend buttons simultaneously. Return
the unit for service.
NO SPEAKER TONE
Pulse tone set to “mute”
Press Up Arrow (Rad-8) or Alarm
Volume Adjust (Rad-8).
Alarm Suspend Enabled
Inspect Alarm Suspend Indicator. See
Section 4,
Alarm Suspend
. Press
Alarm Suspend button until Alarm
Suspend Indicator is no longer illumi-
nated or flashing.
BUTTONS DON’T
WORK WHEN
PRESSED
Internal Failure
Use auxillary power down method by
pressing and holding sensitivity and
Alarm Suspend buttons simultaneously.
Return for service.
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a l a r m s a n d m e s s a g e s
MESSAGES
The Rad-8 will indicate other data or system errors.
Message conditions for the Rad-8 follow:
DISPLAY
TYPE
SOLUTION
LEDS FLASH
HORIZONTAL BARS
Pulse Search
Wait for found pulse. (This Search
should occur whenever a sensor is first
applied to a patient).
PULSE BAR TURNS
RED
(Bottom two
LEDs only.)
Low Signal IQ
1. Rule out occlusion of blood flow.
2. Verify placement of sensor.
PERFUSION BAR
TURNS RED
(Bottom
two LEDs only.)
Low Perfusion
1. Rule out occlusion of blood flow.
2. Attempt to warm patient.
3. Move sensor to better perfused site.
NOTE:
Masimo recommends using an
adhesive sensor whenever low perfu-
sion is expected or evident.
SpO
2
NUMBER
FLASHES
Saturation limit alarm
Assess /address patient condition.
Re-set alarm limits if indicated
PULSE RATE
NUMBER FLASHES
Pulse Rate limit alarm
Assess /address patient condition.
Re-set alarm limits if indicated.
System Fault
Return for service
There are several error codes, all error
codes require return of the unit to an
authorized service center for repair.
See Section 9,
Service and Repair.
Defective sensor
Replace sensor
Unrecognized sensor
Connect appropriate cable
Interference detected
Ensure that the sensor is properly
applied, and cover the sensor site with
opaque material, if required.
