Outdoor Fan Motor Locked Rotor Protection - Hisense AS-09UR4SVETE5 Service Manual

6 . TROUBLE SHOOTING
6 . TROUBLE SHOOTING
Error code 20
Outdoor fan motor locked
rotor protection
Is the fan moror
connection plug
connected to the
control board
no
Reconnect the plug
Replace the
fault sensor
yes
Is something
block the fan
Check the
fan speed
right or not
yes
Check the coil
no
sensor and
ambient sensor
right or not
yes
The control board
is fault ,replace it
yes
Cleanup it
AC
no
FAN
Check the
capacitor of
no
the motor on
the control
board is right
no
DC
FAN
The fan motor
is fault,replace
The control board
is fault,replace the
borad
no
yes
yes
Replace the
fan motor ok
or not
no
The control
board is
fault,replace
the board
Motor fault