Biomedical Engineering Reference
In-Depth Information
TABLE 2.5 Risk Ranking of the Previous FMEA Example
“After”
Action Taken
Item or
Potential
Potential
Process
Failure
Failure
Potential
Current
Recommended
Target
Step
Mode
Effect(s)
Cause(s)
Controls
Action
Responsible Date
2
Loss of lot
due to
filling line
failure
Inability to
transfer
material to
tank
10 Process control
valve fails closed
or block valve
closed or set too
far closed
4 None
4 160 Add process
flow meter
JD1
8/1
10 2
2
40
1
Overpressure
of reaction
vessel
Possible
overpressure
of Vessel YY
with popping
of rupture
disk to floor
4 Level indicator fails
on tank causing
valve to be left
open too far
4 None
8 128 Change
supplier,
100%
inspection of
level
indicators
AB1 /1422 6
4
Loss of lot
due to
temperature
excursion
Inaccurate
reading from
temperature
gauge
8 Gauge not correctly
calibrated
2 calibration
every
2 yrs
8 128 Calibrate
quarterly
AW2 /1822 2
3
Overfill of
reaction
vessel
Possible
overfill of
Tank XX i f
vessel is
2 HMI location and
controls for PW
are located on
media prep
2 None
8 32 None
0
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