12-14 Nightingale PPM3 User's Guide April 2019
Pressure signal out of range
(low)
No pulse rate due to static
pressure
Unplugged (after start-
up/standby)
Unplugged (after line connected)
Zero required (when transducer
is initially connected)
Zero required and 60 seconds
has expired.
Zero failed – pulsatile waveform
P1 unable to zero - unstable
Zero failed – out of range
P1 unable to zero - out of
range
Calibration required and 60
seconds has expired.
Calibration failed – pulsatile
waveform
P1 unable to calibrate -
unstable
Calibration failed – bad cal
resistor
TEMP bad calibration resistor