Rheem RIDH09AVFJ Design & Technical Manual page 39

(5) Press the TIMER SET button to confirm the setting. Press the TIMER SET button for a few seconds until the setting value stops
flashing. If the setting value display changes or if "- -" is displayed when the flashing stops, the setting value has not been set correctly.
(An invalid setting value may have been selected for the indoor unit.)
(6) Repeat steps 2 to 5 to perform additional settings. Press the SET TEMP. buttons (
again for more than 5 seconds to cancel the function setting mode. In addition, the function setting mode will be automatically canceled
after 1 minute if no operation is performed.
(7) After completing the Function Setting, be sure to turn off the power and turn it on again.
After turning off the power, wait 30 seconds or more before turning it on again. The Function Setting will not become active
unless the power is turned off then on again.
) ( ) and FAN control button simultaneously
!
CAUTION
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