Samsung Dishwasher Diverter position switch (micro switch) DD34-00004A

Samsung dishwasher diverter position micro switch that detects the diverter's position.

Is This the Right Part?

Common Symptoms

• Diverter position is not detected correctly.
• Water is not directed to the intended wash area.
• Dishwasher may fail to change spray-arm or wash-zone operation when the diverter moves.

Check Before Replacing

• With power disconnected, inspect the switch, wiring, actuator, and diverter mechanism for visible damage or obstruction.
• Verify that the diverter mechanically moves through its positions before condemning the switch.
• Test switch continuity while manually actuating the switch, following the appliance service documentation; the documented switch specification is normally open.
• Confirm the switch changes state when the diverter actuator or magnet reaches the switch position.

Pro Tip

Part Details

Key Features

• Genuine Samsung OEM part.
• Switch type: micro switch.
• Documented specification: D3V-016-3C23, normally open.
• Quantity listed in the service documentation: 1.

Installation Notes

• Disconnect electrical power before servicing.
• Shut off the dishwasher water supply before installation.
• Wear protective work gloves when accessing the component.
• Verify the dishwasher model before ordering; do not rely on part-number similarity alone.

Verified Compatible Models

DMR77LHB, DMR77LHB/XAA, DMR77LHB/XAC, DMR77LHS, DMR77LHS/XAA, DMR77LHS/XAC, DMR77LHW, DMR77LHW/XAA, DMR77LHW/XAC, DMR78AHB, DMR78AHB/XAA, DMR78AHB/XAC, DMR78AHS, DMR78AHS/XAA, DMR78AHS/XAC, DMR78AHW, DMR78AHW/XAA, DMR78AHW/XAC, DMT800RHB, DMT800RHB/XAA, DMT800RHS, DMT800RHS/XAA, DMT800RHS/XAC, DMT800RHW, DW80T5040US, DW80F800UWS, DW80K5050UB, DW80K5050UG, DW80K5050US, DW80K5050UW, DW80R5060UG, DW80R5060US, DW80R5061UG, DW80R5061UG/AA, DW80R5061US, DW80R5061UT, DW80R5061UT/AA

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.