GE B30 Technical Reference Manual page 124

B30 Patient Monitor
Problem
Invasive pressure
calibration is not selectable
Invasive pressure
calibration is not selectable
Out of range < 40 mmHg
Out of range > 320 mmHg
Zero adj. > 100 mmHg
Out of range
4-18
.
Document no 2044677-001
Cause
Patient case is active
Patient case is active
Measurement pressure is beyond the
measurement range.
Measurement pressure is beyond the
measurement range.
Offset when zeroing is > 100 mmHg
(but < 150 mmHg) from the absolute
zero of the module (with default gain).
Measured pressure is beyond the
internal measurement range of the
module.
What to do
Discharge a patient and make sure
that the E-PSMPW module does not
receive any signals from a simulator
Discharge a patient and make sure
that the E-PSMP module does not
receive any signals from a simulator.
Check the transducer level. Zero the
channel.
Check the transducer level. Zero the
channel. The patient may also have
high pressure.
Check the transducer. The waveform
may hit the top and the numeric
display not shown.
The waveform hits the top and the
numeric display not shown. Check the
transducer and its level. Zero the
channel.