Resmed CPAP Error 005 Error Code

Updated 2026-08-29 · review status: manual-verified Last verified: 2026-08-29

Quick answer

The voltage going to the blower motor is high. It could be caused by the power supply, blower motor, or main PC board. This will need to come in for a free evaluation to determine the exact cause and corrective measure

Severity: high · DIY difficulty: intermediate

Safety

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What Error 005 means

The voltage going to the blower motor is high. It could be caused by the power supply, blower motor, or main PC board. This will need to come in for a free evaluation to determine the exact cause and corrective measure

Code meaning varies by series

  • AirSense 10 - Altra Service Professionals field reference (authorized ResMed service center): The voltage going to the blower motor is high. It could be caused by the power supply, blower motor, or main PC board. This will need to come in for a free evaluation to determine the exact cause and corrective measure
  • AirSense 10 - ResMed official user guide: System fault, Error 0XX: an unrecoverable error has occurred on the device. Contact your care provider; do not open the device.

Causes, ranked

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

Parts & supplies for Resmed CPAP: filters, control boards, sensors, and common replacement parts.

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Commonly searched as: "resmed error 005" · "resmed error code error 005" · "resmed air conditioner error 005"

Sources

  • Altra Service Professionals (ResMed authorized service center) - ResMed AirSense 10 problems and numbered error-code field reference (Error 001-020) — verified 2026-08-29
  • ResMed AirSense 10 device with humidifier - User Guide (Americas, official): Error 004 = hot environment/blocked filter/water in tubing - cool, replace filter, power-cycle; all other Error 0XX = unrecoverable device fault, contact care provider, do not open — verified 2026-08-29