Fujitsu AUU7RLF Design & Technical Manual page 147

 Remote controller custom code setting
Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit.
When you change the custom code setting of the wireless remote controller, do as follows:
1. Press the START/STOP button until only the clock is displayed on the remote controller
display.
2. Press the MODE button for at least 5 seconds to display the current custom code (initially set
to A).
3. Press the SET TEMP. "
→ .
" or the " " button to change the custom code between
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