CPAP Error Codes & Troubleshooting

Find the exact error code or message displayed on your CPAP machine and see its manufacturer-documented meaning, safe checks, affected models, and when the machine needs professional service.

130 published faults · 124 codes · 6 display messages

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CPAP brands

Philips
codes · 88 documented faults
ResMed
36 codes · 6 display messages · 42 documented faults

Popular ResMed errors and messages

ResMed Motor Life Exceeded — The available AirSense 10 service reference describes Motor Life Exceeded as a motor-hours warning and reports 21,900 hours for th
ResMed High Leak Detected — High Leak Detected means the device is sensing more unintended air loss than expected. The manufacturer guidance points to mask fi
ResMed Error 004 — For AirSense 10, ResMed's official user guide lists a hot environment, a blocked air filter, or water in the air tubing as possibl
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
ResMed Tubing Blocked — The device is detecting or reporting restricted airflow through the external air tubing. ResMed's user guidance directs the user t
ResMed Humidifier Fault — Humidifier Fault identifies a problem in the humidifier system, but the user consequence depends on the device family. The AirSens

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How our information is verified

Published references keep a verification date, source links, model context where known, a safety classification, and a clear boundary between user checks and service work. Manufacturer documentation is shown before secondary context.