Diagnostic codes
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
6-15
7079
POST
Controller PCB and ventilator
software versions incompatible
Install controller PCB version compatible
with software version.
7080
POST
Controller PCB and ventilator
software versions incompatible
1. Install ventilator software version
compatible with PCB version.
2. Replace controller PCB.
7081
POST
Pressure solenoid PCB and
ventilator software versions
incompatible
Install pressure solenoid PCB version
compatible with software version.
7082
POST
Pressure solenoid PCB and
ventilator software versions
incompatible
1. Install ventilator software version
compatible with PCB version.
2. Replace pressure solenoid PCB.
7083
POST
BBU PCB and ventilator
software versions incompatible
Install BBU PCB version compatible with
software version.
7084
POST
BBU PCB revision too high for
ventilator software
1. Install ventilator software version
compatible with PCB version.
2. Replace BBU PCB.
7085
POST
UI display PCB +24V too low
1. Replace UI display PCB.
2. Replace controller PCB.
7086
POST
UI display PCB +24V too high
1. Replace UI display PCB.
2. Replace controller PCB.
7087
POST
UI display PCB +5V too low
1. Replace UI display PCB.
2. Replace controller PCB.
7088
POST
UI display PCB +5V too high
1. Replace UI display PCB.
2. Replace controller PCB.
7089
POST
Internal battery voltage too
low
1. Replace internal battery.
2. Replace BBU PCB.
7090
POST
External battery voltage too
low
1. Replace external battery.
2. Replace BBU PCB.
7091
POST
+24V supply voltage too low
1. Check AC/battery connections.
2. Replace power supply.
3. Replace BBU PCB.
7092
POST
+24V supply voltage too high
1. Check AC/battery connections.
2. Replace power supply.
3. Replace BBU PCB.
7093
POST
Battery current too low while
charging
1. Replace applicable battery.
2. Replace BBU PCB.
7094
POST
Battery current too high while
charging
1. Replace applicable battery.
2. Replace BBU PCB.
7095
POST
Battery current too low while
discharging
1. Replace applicable battery.
2. Replace BBU PCB.
7096
POST
Battery current too high while
discharging
1. Replace applicable battery.
2. Replace BBU PCB.
7097
POST
Controller PCB +1.2 V
reference too low
Replace controller 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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