Gree GWH09TB-D3DNA1A Service Manual page 59

Start
Is the wiring
terminal between temperature
sensor and the controller loosened or
poor ly contacted?
no
Is there short circuit due to tri-pover
of the pa rts?
no
Is the temperature
sensor normal according to the
Resistance Table?
yes
Replace the controller with
one of the same model
End
yes
Insert the temperature
sensor tightly
M alfunction is
no
eliminated.
yes
Make the parts upright
Malfunction is
no
eliminated.
no
Replace it with a
temperature sensor
of the same model
Malfunction is
no
removed .
yes
yes
yes