Fujitsu AOU48RLXFZ Design & Technical Manual page 219

SWITCHING SELECTION OF FUNCTION SETTING MODE
2) To activate the function setting mode, hold down the three buttons of SET TEMP.
TEMP. and FAN at the same time for 5 seconds or longer.
BUTTON NAME AND FUNCTION
● During function setting mode, indoor unit reject the any operation command from remote
controller.
Function number
Refer to FUNCTION DETAILS
Remote controller address
It fixes to 00.
FAN button
Each time this button is
pressed, the fan setting
changes among "Remote
controller address," "Function
number" and "Setting number."
Function setting mode initial display
- (06 - 65) -
, SET
Setting number
Refer to FUNCTION DETAILS
START/STOP button
Transmits function setting
SET TEMP. " " and " " button
Switches the various numbers.
6. SYSTEM DESIGN