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Errors


Boiler type Enduro TI ETI-1000

Error code FOU

Cause:

There is an issue with the outdoor sensor. It is shorted, damaged, or disconnected from the boiler.

Solution:

- Check outdoor sensor connections and wiring. Ensure the sensor and wiring are intact and that the sensor is connected to the boiler.
- Check the outdoor sensor resistance with an ohmmeter.
- Replace the outdoor sensor.