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jesseallenSep 6, 2025
What does ERROR 4 mean on my Lowenstein Medical SOMNOcheck micro?
- SScott GibbsSep 6, 2025
If you're seeing ERROR 4, it indicates an issue with the I2C. Return the device to the manufacturer to have it checked.

What does ERROR 4 mean on my Lowenstein Medical SOMNOcheck micro?
If you're seeing ERROR 4, it indicates an issue with the I2C. Return the device to the manufacturer to have it checked.
What does ERROR 3 mean on my Lowenstein Medical Diagnostic Equipment?
If you're seeing ERROR 3, it indicates an issue with the UART. Return the device to the manufacturer to have it checked.
What does ERROR 2 mean on my Lowenstein Medical Diagnostic Equipment?
If you're seeing ERROR 2, it indicates an issue with the RAM. Return the device to the manufacturer to have it checked.
What does ERROR 1 mean on my Lowenstein Medical SOMNOcheck micro Diagnostic Equipment?
If you're seeing ERROR 1, it indicates a program code issue. Return the device to the manufacturer to have it checked.
What does ERROR 101 mean on my Lowenstein Medical SOMNOcheck micro Diagnostic Equipment?
If you're seeing ERROR 101, it indicates an issue with the Real Time Clock. Return the device to the manufacturer to have it checked.
What does ERROR 102 mean on my Lowenstein Medical SOMNOcheck micro?
If you're seeing ERROR 102, it indicates an issue with the EEPROM. Return the device to the manufacturer to have it checked.
| Data Storage | Internal memory |
|---|---|
| Connectivity | USB |
| Channels | 3 |
| Device Type | Sleep Diagnostic Device |
| Parameters Measured | Pulse, Oxygen Saturation |
| Data Transmission | USB |
| Sampling Rate | 1 Hz |
| Operating Temperature | 10°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Humidity | 10% to 95% relative humidity (non-condensing) |
Important warnings and cautions for safe operation and handling of the device and its parts.
Step-by-step guide to attach the device and sensors to the patient.
Procedures for preparing, starting, and managing data recordings.
Steps for visual inspection and functional tests to ensure device readiness.
Identifies common device faults, error messages, and their remedies.