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The door switch detects when the door is fully closed before allowing a cycle to begin. A failed switch prevents the control board from receiving the door-closed signal, so the dishwasher powers on but refuses to run.
A cracked latch body or broken spring means the door cannot engage the strike plate securely. The dishwasher may also display a door-open error or the cycle may stop mid-wash.
A worn or weakened latch spring causes intermittent loss of the door-closed signal. The dishwasher starts but cuts out when any vibration slightly releases door pressure on the switch contacts.
When the latch arm or catch tabs are broken, the door may appear closed but the internal switch contact is never fully depressed, leaving the door unsealed and the dishwasher inoperable.
💡 Pro Tip: How to Know Your Door Latch Switch Has Failed
Your part is likely the culprit if you notice any of the following:
⚠️ Dishwasher powers on but will not start a wash cycle after pressing Start
⚠️ Door feels loose or does not click firmly when closed
⚠️ Cycle starts only when the door is held or pulled slightly — stops if door is touched
⚠️ Visible cracking, broken plastic tabs, or a latch arm that no longer springs back
Before ordering, confirm your model number on the inner door edge label. The DD81-02132A is the Samsung-issued upgrade to the older DD81-01629A and shares the same mounting hole pattern — so if your current latch is DD81-01629A or DD81-01549A, this part fits directly. Use a multimeter set to continuity mode: with the door latch depressed, you should hear a beep across the switch terminals. No continuity = confirmed failed switch.
📦 What's in the Box
✅ 1× DD81-02132A Door Latch and Switch Assembly (2.5 oz, with pre-attached wiring connector)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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