Samsung DMR78AHS/XAC Service Manual page 18

3. Disassembly and Reassembly
Part
Heater
3-4
Photo Description
7. Remove the two (2) terminals which are inserted into
the heater.
Do not pull the wire. Remove it by holding the
metallic part at the end of the wire.
8. Remove the two (2) holder heaters which
are connected to the heater by rotating them
counterclockwise.
9. Place the dishwasher the right way up again.
Open the door and hold and remove the heater.
Caution
The heater may be very hot. Make sure to check it
before touching the heater.
Caution
Make sure to check whether any water is left.
Remove any remaining water, to prevent water
leakages while servicing.