MAXA BDS28A, Техническое руководство

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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
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
No