5 Error Codes
5.1 Error Codes
The Check O2 Plus has self diagnostic features built into the software to detect faulty readings outside of normal operating ranges. The codes, descriptions and recommended actions are:
•E01: Oxygen measurement out of range Hi ( ≥ 102.0% calculated by algorithm).
Recommended Action: Verify that the Check O2 Plus is being used in the correct mode (Concentrator or Calibration Verification mode). If error code repeats; perform a calibration verification. If error code repeats again; Call Service Provider.
•E02: Oxygen measurement out of range Low ( ≤
Recommended Action: Verify that the Check O2 Plus is being used in the correct mode (Concentrator or Calibration Verification mode). If error code repeats; perform a calibration verification. If error code repeats again; Call Service Provider.
•E03: Device memory corrupt or missing.
Recommended Action: Call Service Provider.
•E04: Signal reading not stable.
Recommended Action: Call Service Provider.
•E05: Pressure measurement out of Range Hi ( ≥ 50 PSI).
Recommended Action: Check the pressure on a known gas source pressure. If error code repeats; Call Service Provider.
•E06: Outside of operating temperature Hi ( ≥ 40° C).
Recommended action: The Check O2 Plus is too hot, cool the device closer to room temperature before use.
•E07: Outside of operating temperature Low ( ≤ 15° C).
Recommended action: The Check O2 Plus is too cold, warm the device closer to room temperature before use.
•E08: Device self check found error.
Recommended Action: Remove and replace the batteries. If error code repeats; Call Service Provider.
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