Hisense AMS-07UR4SNVT4 Service Manual page 130

6 . TROUBLE SHOOTING
6 . TROUBLE SHOOTING
Error code 39
Indoor fan motor trouble
Set the air conditioner operate
in fan mode
Is indoor fan motor running?
no
Check the each pin to "GND"pin
shorted or not
no
With power on check"Vdc"pin
to"GND"pin 310Vdc or not;
"Vcc"pin to"GND"pin 15V or
not
Does fan motor stop following the
yes
remote controller order？
yes
Replace the indoor fan
yes
motor
yes
no
Indoor control board faulty
and replace it
no
Check the connector of
indoor motor connected
tightly or not