Diagnostic codes
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
6-7
6014
BIOT (technical alert --
FLO SENSOR HI TEMP)
Temperature at exhalation
flow sensor pressure
transducer too high
1. Make sure room temperature is not too
high.
2. Replace pressure solenoid PCB.
6015
BIOT (technical alert --
LOW BBU TEMP
ALERT)
Temperature measured on BBU
PCB too low
1. Replace BBU PCB.
2. Replace power supply.
6016
BIOT (technical alert --
HI BBU TEMP ALERT)
Temperature measured on BBU
PCB too high
1. Make sure power supply fan harness is
securely connected.
2. Replace power supply fan.
3. Replace BBU PCB.
6017
BIOT (technical alert --
DELIV GAS LOW
TEMP)
Inspiration manifold
temperature too low
1. Make sure room temperature is not too
low. Make sure that ventilator has
warmed up and T
del
attained a steady
state.
2. Check wiring from thermistor to
pressure solenoid PCB.
3. Replace inspiration manifold
thermistor.
4. Replace pressure solenoid PCB.
6018
BIOT (technical alert --
DELIV GAS HI TEMP)
Inspiration manifold
temperature too high
1. Make sure room temperature is not too
high.
2. Check wiring from thermistor to
pressure solenoid PCB.
3. Replace inspiration manifold
thermistor.
4. Replace pressure solenoid PCB.
6019
BIOT (technical alert --
SERVICE XDUCER)
Exhalation, cylinder, or flow
sensor pressure transducer
drift
1. Make sure that ventilator has warmed
up sufficiently and is at a steady-state
temperature.
2. Replace pressure solenoid PCB.
6020
BIOT (technical alert --
BATTERY FUSE
FAILED)
Open circuit detected in
internal battery output
1. Make sure internal battery was not
removed during operation.
2. Replace internal battery.
6021
BIOT (technical alert --
AIR INTAKE BLOCKED)
Ventilator has detected above-
normal resistance at air intake
filter during POST after power
switched on.
1. Check patient.
2. Check for visible occlusions (for
example, a curtain, clothing, or
furniture blocking air intake).
3. Replace air intake filter.
6022
BIOT (technical alert --
REPLACE O
2
SENSOR)
Oxygen sensor missing or
reading out of range
1. Make sure an oxygen sensor is installed
and securely connected to ventilator
head harness.
2. Perform FIO
2
sensor calibration check
.
3. Replace oxygen sensor.
Table 6-1: Diagnostic codes (continued)
Code
Software
Possible cause
Corrective action
Summary of Contents for Puritan Bennett 700 Series
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