Samsung AST12WHWB User Manual page 8

Inserting the Remote Control Batteries
8 7
E- E-
You must insert or replace the remote control batteries when :
You purchase the air conditioner
The remote control does not work correctly
N N o o t t e e
N N o o t t e e Use two AAA, LR03 1.5V batteries.
Do not use old batteries or different kinds of batteries together.
Batteries may be completely discharged after 12 months, even
if they have not actually been used.
1 Remove the battery cover in the rear of the remote control by pushing
it with your thumb.
2
Insert two batteries, respecting the polarities as indicated by
the + and - symbols.
3
Close the cover by sliding it back in its place.