Front panel switches don’t work or LEDs will not light
CAUSE
SOLUTION
Sheet switch
Verify the ribbon connector from the switch to the display
is defective
board is connected. If you cannot feel the depression of the
Or not connected
switch, replace the sheet switch.
Main Board Failure
Replace Main board
Display Board
Replace display board or LED is found to have missing
is defective
segments or do not light.
Time clock is drifting or cannot set time
CAUSE
SOLUTION
Time is not set
Reset time selection and try again
Clock Battery defective
Replace clock battery, verify that when unit is ON, 2.4 Vdc
charger voltage is present.
Clock IC defective
Replace U2 clock IC
Main board is defective
Replace defective main board.
Unreliable readings (Inaccurate NIBP)
CAUSE
SOLUTION
Rapid cuff deflation
Check for leaks in hose and cuff.
Cuff Placement
Verify appropriate cuff placement and positioning
and Positioning
Cuff not at Heart Level
Verify and place cuff at patient’s heart level
Patient movement
Calibrate TBP measurement by initiating a cuff calibration.
Position Indicators
Check and adjust placement of sensor
Severe patient
Verify with a manual cuff measurement
arrhythmia
Vibrations including
Look for patient movement, take appropriate measures
shivering
8-7