Gree GWH(12)RB-K3DNA1A/I - Malfunction Troubleshooting Steps

30
Troubleshooting
Start
Insert the temperature
sensor tightly
yes
Malfunction is
eliminated.
Make the parts upright
yes
Malfunction is
eliminated.
Replace the controller with
one of the same model
End
no
no
no
no
yes
yes
Malfunction is
removed.
no
yes
yes
no
Is the wiring
terminal between temperature
sensor and the controller loosened or
poo rly contacted?
Is there short circuit due to tri-pover
of the pa rts?
Is the temperature
sensor normal according to the
Resistance Table?
Replace it with a
temperature sensor
of the same model
9.2 How to Check Simply The Main Part
9.2.1 F1/F2 Malfunction