Samsung DVM S ECO BIG Series Service Manual page 27

Disassembly and Reassembly
No. Parts
11 CONTROL BOX
3-12
Procedure
5) Remove 6 screws that fixing heat sink with
control case.
6) Remove 5 screws that fixing control box
with partition and bracket valve.
7) Then you can take off the whole control
box.
Remark
Samsung Electronics