Samsung DMR78AHS/XAC Service Manual page 24

3. Disassembly and Reassembly
Part
Leakage
Sensor
3-10
Photo Description
1. Place the dishwasher on its back so that you can
see the base. Remove the two (2) screws that hold
the base and the shutter in place.
2. Remove the leakage sensor connector (white) inside
the shutter.
3. Remove the leakage sensor from the shutter by
unfastening the two (2) screws holding it in place.