Fujitsu AU*G36LRLA Design & Technical Manual page 301

15) Indoor unit fan control for energy saving (Only cooling mode)
Enable or disable indoor unit fan control when the outdoor unit is stopped.
Setting description
No
Yes

* If setting value is "00":
When the outdoor unit is stopped, the indoor unit fan operates following the setting on the
remote controller continuously.
* If setting value is "01":
When the outdoor unit is stopped, the indoor unit fan operates at very low speed
intermittently.
16) Primary and secondary settings
set the indoor unit that is connected to the outdoor unit using a transmission cable as the
primary.
Setting description
Primary

Secondary
(  ... Factory setting)
Function number Setting value
49
(  ... Factory setting)
Function number Setting value
51
- (05-72) -
00
01
00
01