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Diagnostic codes
6-26
10070389 Rev. A
Puritan Bennett™ 700 Series Ventilator System Service Manual
9029
Ongoing hardware
checks
One microcontroller
recognizes a power loss, but
other doesn’t.
Replace controller PCB.
9030
Ongoing hardware
checks
Safety valve control circuit
failure
1. Replace pressure solenoid PCB.
2. Replace controller PCB
9031
Ongoing hardware
checks
Message window (LCD panel)
failure
Replace message window (LCD panel).
9033
Ongoing hardware
checks
Failure to zero exhalation flow
sensor pressure transducer
1. Make sure room temperature is not too
low. Make sure that ventilator has
warmed up and exhaled flow attained
a steady-state temperature.
2. Replace flow sensor.
3. Replace pressure solenoid PCB.
9034
Ongoing hardware
checks
Inspiration manifold
temperature out of bounds
1. Make sure room temperature is within
specifications. Make sure ventilator has
warmed up and T
del
attained a steady
state.
2. Check that inspiration manifold
thermistor/ventilator head harness
connection is secure.
3. Replace inspiration manifold
thermistor.
4. Replace pressure solenoid PCB.
9035
Ongoing hardware
checks
Internal ventilator
temperature out of bounds
1. Make sure room temperature is within
specifications. Make sure ventilator has
warmed up and T
box
attained a steady
state.
2. Replace pressure solenoid PCB.
9036
Ongoing hardware
checks
Absolute inspiratory pressure
out of bounds
Replace pressure solenoid PCB.
9037
Ongoing hardware
checks
Absolute inspiratory pressure
out of bounds
Replace pressure solenoid PCB.
9038
Ongoing hardware
checks
Inspiration pressure out of
bounds
1. Use
Sensor data
function to check P
i
reading.
2. Replace pressure solenoid PCB.
9039
Ongoing hardware
checks
Exhalation pressure out of
bounds
1. Use
Sensor data
function to check P
i
reading.
2. Replace pressure solenoid PCB.
9040
Ongoing hardware
checks
Exhaled flow out of bounds
1. Make sure room temperature is within
specifications. Make sure that
ventilator has warmed up and exhaled
flow attained a steady-state
temperature.
2. Replace flow sensor.
3. Replace pressure solenoid PCB.
9041
Ongoing hardware
checks
Atmospheric pressure out of
bounds
1. Make sure ventilator is operating
within stated environmental
specifications.
2. Replace pressure solenoid PCB.
Table 6-1: Diagnostic codes (continued)
Code
Software
Possible cause
Corrective action
Summary of Contents for Puritan Bennett 700 Series
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