Samsung Dishwasher door-lock switch DD34-00002B

Genuine Samsung dishwasher door-lock switch that detects the door-closed condition. Service documentation identifies it as a normally open switch rated 125 VAC.

Is This the Right Part?

Common Symptoms

• Dishwasher will not start
• Dishwasher may stop or lose operation when the door-switch signal is intermittent
• Door-closed condition is not recognized

Check Before Replacing

• With power disconnected, inspect the switch connector and nearby wiring for loose, damaged, or disconnected wires.
• Check that the door and latch physically actuate the switch when closed.
• A qualified technician can verify switch continuity and operation against the service documentation; do not test energized wiring unless properly trained.

Pro Tip

Part Details

Key Features

• Normally open switch
• 125 VAC rating
• Genuine Samsung component
• Used in the dishwasher door-lock/door-sensing circuit

Installation Notes

• Disconnect electrical power before servicing the dishwasher.
• Compare the replacement with the original switch and document wiring connections before removal.
• Inspect the connector and nearby wiring for damage before installing the replacement.

Verified Compatible Models

DMR57LFB/XAA, DMR57LFB/XAC, DMR57LFS/XAA, DMR57LFS/XAC, DMR57LFW/XAA, DMR57LFW/XAC, DMR77LHB/XAA, DMR77LHB/XAC, DMR77LHS, DMR77LHS/XAA, DMR77LHS/XAC, DMR77LHW/XAA, DMR77LHW/XAC, DMR78AHB, DMR78AHB/XAA, DMR78AHB/XAC, DMR78AHS/XAA, DMR78AHW, DMR78AHW/XAA, DMR78AHW/XAC, DMT210RFS/XAC, DMT300RFB, DMT300RFB/XAA, DMT300RFB/XAC, DMT300RFS, DMT300RFS/XAA, DMT300RFS/XAC, DMT300RFW, DMT300RFW/XAA, DMT300RFW/XAC, DW7933LRABB/AA, DW7933LRABB/AC, DMR78AHB/XAA-00, DMR78AHBXAA0000, DMR78AHSXAA0000, DMR78AHW/XAA-00, DMR78AHWXAA0000, DMT300RFS/XAC-00, DW7933LRABB/AA-0001, DW7933LRABB/AA-01, DW7933LRASR/AA-01, DW7933LRAWW/AA-01, DW7933LRABBAA0001

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