Samsung AM032MNQDCH/AA Service Manual page 194

Disassembly and Reassembly
No. Parts
2 Control Box 3) Reomove the 1 screw which is fixed to the
4) Put finger in the "PULL" marked groove and
5) Put finger in the "PULL" marked groove and
3-134
Procedure
Indoor Unit upper part.(Use +Screw Driver)
then pull up the Cover
then avoids the hook and it opens the Control
Box Cover
Remark
Samsung Electronics