Xyfb Water Heater Manual

Most XYFB tankless water heaters feature a digital display and a touch panel. Here is how to navigate the standard settings:

Mode Buttons: Some models feature pre-sets:

| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | Water not heating | Tripped internal breaker | Reset via small black button on bottom of unit. | | Water too hot | Faulty EGO thermostat | Replace part (contact technician). | | Low flow | Clogged shower head or inlet filter | Clean both as per §6. | | Unit trips house fuse | Short circuit / water ingress | Stop use immediately. Call electrician. | xyfb water heater manual

Lukewarm water / insufficient hot:

Leaks:

Strange noises:

Frequent cycling (short cycling):

Error codes (tankless/electronic controllers):

Example quick diagnostics: