MAXA BDS28A Dokumentacja Pobierz pdf (Strona 21)

8.4. How to check simply the main part

8.4.1 Indoor Unit:

8.4.1.1 Temperature sensor malfunction (F1/F2)

F1 and F2 malfunction

Is the wiring terminal between temp.

sensor and the controller loosened

or poorly contacted?

Is there short circuit due

to trip over of the parts?

Is the temperature sensor normal

according to the resistance table?

Replace the main board with the same model

End

Insert the temperature sensor tightly

Malfunction is eliminated

Make the parts upright

Malfunction is eliminated

Replace it with a temp. sensor with the same model

Malfunction is eliminated

Yes

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MAXA BDS28A Dokumentacja Strona 21