Covidien Puritan Bennett 700 Series, Service Manual

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Diagnostic codes
6-22 10070389 Rev. A Puritan Bennett™ 700 Series Ventilator System Service Manual
7184 POST Multiplexer failure on pressure
solenoid PCB Replace pressure solenoid PCB.
7185 POST Multiplexer failure on pressure
solenoid PCB Replace pressure solenoid PCB.
7186 POST Multiplexer lines shorted Replace pressure solenoid PCB.
7187 POST Multiplexer failure Replace pressure solenoid PCB.
7188 POST Multiplexer failure Replace pressure solenoid PCB.
7189 POST Multiplexer failure Replace pressure solenoid PCB.
7190 POST Multiplexer failure on
controller PCB Replace controller PCB.
7191 POST Multiplexer failure on
controller PCB Replace controller PCB.
7192 POST Multiplexer failure on
controller PCB Replace controller PCB.
7193 POST Multiplexer failure on
controller PCB Replace controller PCB.
7194 POST Clock failure on controller PCB Replace controller PCB.
7195 POST Motor controller chipset clock
failure Replace controller PCB.
7196 POST 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 pressure solenoid PCB.
3. Replace flow sensor.
4. Replace pressure solenoid PCB.
7197 POST Power source indicator stuck
on Replace BBU PCB.
7198 POST Power source indicator stuck
on Replace BBU PCB.
7199 POST EPROM or other hardware
failure 1. Reinstall software.
2. Replace controller PCB.
7200 POST EPROM or other hardware
failure 1. Reinstall software.
2. Replace controller PCB.
7201-7206 POST Software error See Section 6.2.
7207 POST Motor temperature too high 1. Clean or replace main fan filter.
2. Check for proper operation of main
fan.
3. Replace motor/encoder.
7208 POST An area of NVRAM that is not
checked by a checksum is
corrupted. 1. Restore NVRAM data.
2. Replace NVRAM.
7209 POST Software error See Section 6.2.
Table 6-1: Diagnostic codes (continued)
Code Software Possible cause Corrective action