AS3000™ Service Manual 0070-10-0683 3 - 5
Repair Information Troubleshooting Chart
“Vent/Manual Valve Failure” Startup test 1 The wire that connects to the vent/manual
valve is disconnected or is damaged.
2 The vent/manual solenoid valve is
damaged.
3 The amplifier board or connection cable
defective.
1 Check whether the connection wire of the
vent/manual valve is disconnected or is
damaged.
2 Replace the vent/manual solenoid valve.
3 Check the connection cable and replace the
amplifier board. Then perform each item of the
calibration and startup tests again.
“Expiration Sensor Failure” Startup test 1 Fresh gas flow is present at startup.
2 The sensor board is defective.
1 Turn off all fresh gas flow and reboot the unit.
2 Replace the sensor board, and then perform
each item of the calibration and startup test
again.
“Keyboard Communication .
. . FAIL”
Startup test 1 The data wire is disconnected or is
damaged.
2 The keyboard board is defective.
1 Replace the user interface assembly.
2 Replace the user interface assembly.
“Pressure Sensor . . . FAIL” Startup test 1 The connection wire of the PAW board is
disconnected or is damaged.
2 The connection of the PAW board or sensor
board is defective.
3 The tubing kinked or occluded.
1 Check whether the connection wire of the PAW
board is disconnected or damaged.
2 Check the power supply and connection of the
sensor board. Replace the Paw board and
sensor board.
3 Check the tubing for kinks and remove any
occlusions.
“O
2
Sensor . . . FAIL” Startup test 1 The O
2
concentration is below 16%.
2 The oxygen sensor is out of range.
3 The main unit-oxygen sensor cable is
disconnected or damaged.
4 The amplifier board is defective.
1Increase O
2
concentration.
2 Replace the oxygen sensor.
3 Check whether the main unit-oxygen sensor
cable is disconnected or damaged.
4 Replace the amplifier board, and then perform
each item of the calibration and startup test
again.
“PEEP Valve . . . FAIL” Startup test 1 The connection wire of the PEEP valve is
disconnected or damaged.
2 The PEEP valve is defective.
3 The Amplifier board is defective.
1 Check whether the PEEP valve is disconnected
or damaged.
2 Replace the PEEP valve.
3 Replace the amplifier board and then perform
each item of the calibration and startup test
again.
“Inspiration Valve . . . FAIL” Startup test 1 The connection wire of the inspiration valve
is disconnected or damaged.
2 The inspiration valve is defective.
3 The amplifier board is defective.
1 Check whether the inspiration valve is
disconnected or damaged.
2 Replace the inspiration valve.
3 Replace the amplifier board and then perform
each item of the calibration and startup test
again.
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION