Fujitsu AOU48RLXFZ Design & Technical Manual page 210

SWITCHING SELECTION OF FUNCTION SETTING MODE
(2) Press and hold the "FAN" and the " SET TEMP.
press the "RESET" button.
FAN
SET TEMP. ( )
RESET
SELECTION AND CONFIRMATION OF CUSTOM CODE
(3) Press the " SET TEMP.
TEMP. " buttons to select the custom
code that matches the setting with the
indoor unit.By selecting the appropriate
custom code, the communication between
the indoor unit and the wireless RC
become possible.
CUSTOM CODE
( - - - )
The initial setting is " "
" buttons. While holding these 2 buttons,
" or " SET (4) Press the "TIMER MODE" button to send
the code to the indoor unit.
Wrong code:
No Response
- (06 - 56) -
Function setting
mode display
Correct code:
Pi Pi
6. SYSTEM DESIGN