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Philips CPAP E-11 Error Code

Updated 2026-08-29 · review status: draft Draft - unverified

Quick answer

REBOOT error. Failed component: CPU 1. If error was NOT Last Stop Error, clear error log and test. 2. If error was Last Stop Error, replace PCA and test. PAGE 6-10 1117539, VER. 18.

Severity: high · DIY difficulty: intermediate

Safety

TBD - must be written per-code before publish

What E-11 means

REBOOT error. Failed component: CPU 1. If error was NOT Last Stop Error, clear error log and test. 2. If error was Last Stop Error, replace PCA and test. PAGE 6-10 1117539, VER. 18.

Causes, ranked

  1. Causes not yet documented — verify against the service manual.

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Sources

  • Philips Respironics DreamStation Service & Technical Reference Manual — verified 2026-08-29