Covidien Puritan Bennett 540, User Manual, Page: 55 / 141

Troubleshooting
Puritan Bennett 540™ Ventilator User’s Manual
3-17
CHK VOL/INSP
TIMESETTINGS
*IF PERSISTS
REPLACE VENT
Defective inspiratory flow sensor or internal
leak of the machine. Replace the defective device(s) and have a
qualified technician check them.
DEVICE FAULT1 REPLACE
VENT
Defective internal pressure sensor.
Have a qualified technician replace the
defective component(s) and call your
customer service representative.
DEVICE FAULT2 REPLACE
VENT
Defective proximal pressure sensor or
internal leak of the machine.
Have a qualified technician replace the
defective component(s) and call your
customer service representative.
DEVICE FAULT3
REPLACE VENT
24 V supply failure.
Replace the ventilator and call your
customer service representative.
DEVICE FAULT4 REPLACE
VENT
Operating speed of the cooling fan not
properly adjusted for the internal ambient
temperature of the device. Replace the ventilator and call your
customer service representative.
DEVICE FAULT5 REPLACE
VENT
Internal problem in the electrical power
supply. Replace the ventilator and call your
customer service representative.
DEVICE FAULT6 REPLACE
VENT
Turbine overheated because of blockage
during operation.
Replace the ventilator and call your
customer service representative.
DEVICE FAULT7 REPLACE
VENT
Internal technical problem.
Replace the ventilator and call your
customer service representative.
DEVICE FAULT8 REPLACE
VENT
Inspiratory flow is constant (+/- 1 lpm) with
normal turbine temperature and speed
conditions. Replace the ventilator and call your
customer service representative.
DEVICE FAULT9 REPLACE
VENT
POST RAM Error. RAM Read/Write does not
match memory setting.
Replace the ventilator and call your
customer service representative.
DEVICE FAULT10
REPLACE VENT
POST FLASH Checksum Error. Startup
FLASH computed checksum does not
match memory setting. Replace the ventilator and call your
customer service representative.
DEVICE FAULT11
REPLACE VENT
POST EEPROM Error. Startup EEPROM does
not match memory setting.
Replace the ventilator and call your
customer service representative.
DEVICE FAULT12
REPLACE VENT
POST Reference Voltage Error. 5V or 10V
reference voltage error.
Replace the ventilator and call your
customer service representative.
DEVICE FAULT13
REPLACE VENT
Software Version Error
Replace the ventilator and call your
customer service representative.
EMPTY BATTERY
Internal battery capacity is less than
10 min. (or 2%) —battery operation
overextended.
Reconnect the device to an AC power
outlet, connect it to an external DC power
source, or replace the battery.
Reminder: the internal battery can be
charged only when the ventilator
connected to an AC power supply.
EXHSENS FAULT OR
CIRCUIT FAULT
Leak in the patient circuit.
Check and properly connect the patient
circuit connections.
Table 3-2. Alarms and Corrective Actions (Continued)
Alarm Message or
Symptom
Possible Reason(s) For The Alarm Event Corrective Action(s)