38
TROUBLESHOOTING CONTINUED
Start
Check whether the wiring connection between
the temperature sensor and the outdoor main board is
loose or not connected
yes
yes
yes
yes
Correct the wiring
problem
no
no
no
no
Eliminate the
malfunction
Check whether the
temperature sensor to the resistance table
is operating properly
Replace the temperature sensor
with the same model
Replace the outdoor main board
with the same model
End
Eliminate the malfunction
(5) Temperature sensor malfunction
Main checking points:
Is the terminal of the temperature sensor loose or not connected correctly;
Is the temperature sensor damaged or mis-wired;
Is the mainboard broken ;
Flow chart: