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error Fisher Paykel
Error Code E121
Device detected a blockage in the breathing tube or other components.
? What Causes This
Blocked breathing tube or non-return valve flaps displaced.
✓ How to Fix It
- Check and clear any obstructions from the breathing tube.
- Ensure silicone flaps inside the left chamber port are correctly positioned.
- Try using a new heated breathing tube if issues persist.
Source: page 28 of the official manual
From the manual
This error code appears in:
Fisher Paykel Myairvo 2 Humidified High Flow Generator System