ResMed AirSense 11 Error Codes & Messages
Browse the verified ResMed faults that explicitly identify AirSense 11 in their model context. A model hub is shown only when the record set contains useful coverage.
Faults for AirSense 11
- ResMed High Leak Detected
High Leak Detected means the device is sensing more unintended air loss than expected. The manufacturer guidance points to mask fit, tubing connections, and—on … - ResMed Error 4
For AirSense 11, ResMed's official user guide links Error 4 to a hot environment, a blocked air filter, or water in the air tubing. The associated service guide… - ResMed Tubing Blocked
The device is detecting or reporting restricted airflow through the external air tubing. ResMed's user guidance directs the user to check the tubing and remove … - ResMed Humidifier Fault
Humidifier Fault identifies a problem in the humidifier system, but the user consequence depends on the device family. The AirSense 11 guide says therapy can ru… - ResMed Error 9
Motor H bridge failure; faulty main PCB - replace main PCB… - ResMed Error 8
Motor sticky; faulty motor - replace motor… - ResMed Error 7
Motor hardware out of bounds; faulty motor - replace motor… - ResMed Error 6
Motor stall (software, back EMF check); faulty motor or faulty main PCB - replace faulty part… - ResMed Error 5
Motor over-voltage; faulty power supply, faulty motor or faulty main PCB - replace faulty part… - ResMed Error 3
Mask over pressure (severe) / Motor fast over pressure; pressure sensor fault or software issue - complete pressure test, replace main PCB… - ResMed Error 24
Faulty HW fault detection circuitry; faulty main PCB - replace main PCB… - ResMed Error 23
Implausible supply voltage; pressure sensor issue - replace main PCB… - ResMed Error 21
Mixed signal chip error; faulty main PCB - replace main PCB… - ResMed Error 18
Calibration reset; data corruption - power cycle device, test device and recalibrate, send device logs to ResMed for analysis… - ResMed Error 17
Settings reset; flash corruption or file system error - power cycle device, send device logs to ResMed for analysis… - ResMed Error 15
Pressure sensor stuck low; pressure sensor issue - complete device testing in RSC, replace main PCB… - ResMed Error 14
Pressure sensor stuck high; pressure sensor issue - complete device testing in RSC, replace main PCB… - ResMed Error 13
Pressure sensor drift 5cm; pressure sensor issue - complete device testing in RSC, replace main PCB… - ResMed Error 12
No flow data; faulty main PCB - replace main PCB… - ResMed Error 11
Flow sensor stuck high; faulty main PCB - replace main PCB… - ResMed Error 10
Flow sensor stuck low; faulty main PCB - replace main PCB… - ResMed Error 1
Motor has stalled (hardware and MT4 Over Temperature); faulty motor - replace motor…
Model-matched external accessories
These are user-accessible accessories, not repairs. Confirm the exact device label and accessory type before ordering.
- AirSense 11-compatible external air filters — External user-replaceable air filters only. Confirm AirSense 11 compatibility; this does not repair an internal device fault. View on Amazon →
- ResMed AirSense 11-compatible replacement tubing — External tubing only. Confirm AirSense 11 connector and exact tube type; a replacement tube does not repair an internal fault. View on Amazon →
- AirSense 11-compatible HumidAir replacement water chamber — External humidifier tub only. Confirm AirSense 11 compatibility and tub type; it does not repair an internal humidifier fault. View on Amazon →