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Philips CPAP E-221 Error Code

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

Quick answer

error. Failed component: AFETY_TIMEOUT REBOOT PCA 1. If error was NOT Last Stop Error, clear error log and test. 2. If error was Last Stop Error, replace PCA and test. CODE ERROR NAME ERROR LEVEL FAILED COMPONENT ACTIONS PAGE 6-17 1117539, VER. 18 6.5 FAILURE MODE TROUBLESHOOTING The following table can be used as a guide to aid in troubleshooting the device based on the potential problem. All iss

Severity: high · DIY difficulty: intermediate

Safety

TBD - must be written per-code before publish

What E-221 means

error. Failed component: AFETY_TIMEOUT REBOOT PCA 1. If error was NOT Last Stop Error, clear error log and test. 2. If error was Last Stop Error, replace PCA and test. CODE ERROR NAME ERROR LEVEL FAILED COMPONENT ACTIONS PAGE 6-17 1117539, VER. 18 6.5 FAILURE MODE TROUBLESHOOTING The following table can be used as a guide to aid in troubleshooting the device based on the potential problem. All issues may not be presented here..

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