Hisense AS-09UR4SVNVG1 (UP1) Service Manual page 23

7 . T R O U B L E S H
7 . T R O U B L E S
Error code 39
Indoor fan motor trouble
Set the air conditioner operate
in fan mode
Is indoor fan motor running?
no
Does the socket CN1(1-3) of
indoor control board
have power input
yes
Is resistance of main winding
~
0?(short circuit) or ?(open
circuit)?
no
Insert screwdriver into to rotate
indoor fan motor slowly for 1
revolution or over, and measure
voltage CN2(1-3)
O O T I N G
H O O T I N G
Does fan motor stop with the
yes
Indoor control board faulty
no
Replace the indoor fan
yes
Does voltage repeat DC 0V and
remote controller
no
and replace it
motor
yes
DC 5V?
30
Check the connector of
yes
indoor motor
no