Seivice diagnosis
Domestic air conditioner
30
Yes
No
Yes
Is rotation number
command pulse
generated?
Is rotation number
command voltage
DC1
̚
6V generated?
Yes
Yes
No
No
Yes
Replace indoor unit PCB
Replace fan motor
Replace
indoor
unit PCB
Replace indoor fan motor
PCB
NO
Replace indoor unit PCB
Is motor control power
voltage DC15V
generated?
NO
Does
fan
rotate
smoothly?
NO
Turn power ON and operate fan
Does it rotate?
Yes
Turn off power supply and disconnect fan
motor connector, then turn power ON
Check output of fan motor connector
Is motor power
voltage DC310V
g e n e r a t e d ?
Replace fan motor
Stop fan motor
Turn off power supply and rotate
fan by hand
Содержание AP24DF1HRA
Страница 14: ...Connector Wiring diagrams PCB 1 ...
Страница 43: ...Circuit diagrams Domestic air conditioner Circuit diagrams 41 ...
Страница 44: ......