Samsung AM022FN1DEH/TK Service Manual page 61

No. Parts
2 Control Box
Samsung Electronics
Procedure
3) Reomove the 1 screw which is fixed to the
Indoor Unit upper part.(Use +Screw Driver)
4) Put finger in the "PULL" marked groove and
then pull up the Cover
5) Put finger in the "PULL" marked groove
and then avoids the hook and it opens the
Control Box Cover
Disassembly and Reassembly
Remark
3-29