840故障代码_code

Table 6-2: 840 Ventilator diagnostic codes

Code Message

displayed

Test Response

Information / Possible

cause

Corrective action

AE0110Unable to

establish O2

flow EST Flow

sensors cross

check Test

Alert Flow controller unable

to establish and control

oxygen flow at

120 L/min.

1.Make sure oxygen supply is

connected and unrestricted.

2.Verify oxygen regulator pres-

sure is set between 9-12 psi.

3.Switch PSOLs to see if failure

transfers to the other gas side.

If yes, return the air PSOL to its

original position and replace

the oxygen PSOL.

4.Run the leak test in EST to

check for leaks/occlusions.

5.Perform a flow sensor calibra-

tion.

6.Replace Q1.

7.Replace the Inspiratory Elec-

tronics PCB.

8.Replace the AI PCB.

AE0111Unable to

establish air flow EST Flow

sensors cross

check Test

Alert Flow controller unable

to establish and control

air flow at 120 L/min.

1.Make sure air supply is con-

nected and unrestricted.

2.Verify air regulator pressure is

set between 9-12 psi.

3.Switch PSOL's to see if failure

transfers to the other gas side.

If yes, return Oxygen PSOL to

its original position and replace

the Air PSOL.

4.Run the leak test in EST to

check for leaks/occlusions.

5.Perform a flow sensor calibra-

tion.

6.Replace Q2.

7.Replace the Inspiratory Elec-

tronics PCB.

8.Replace the AI PCB.

AE0213Air PSOL leak EST Gas

Supply/SV Test Alert Air PSOL (PSOL2)

forward leak was

detected via excessive

pressure buildup

(>50 cmH2O but

<100cmH2O) in

blocked inspiratory

module.

1.Check for leaks around the Q2

O-rings.

2.Make sure air supply is con-

nected and unrestricted.

3.Reseat Air PSOL.

4.Replace Air PSOL.

5.Replace AI PCB.

AE0214O2 PSOL leak EST Gas

Supply/SV Test Alert Oxygen PSOL (PSOL1)

forward leak was

detected via excessive

pressure buildup

(>50 cmH2O but

<100cmH2O) in

blocked inspiratory

module.

1.Check for leaks around the Q1

O-rings.

2.Make sure oxygen supply is

connected and unrestricted.

3.Reseat oxygen PSOL.

4.Replace oxygen PSOL.

5.Replace AI PCB.

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