Whirlpool Microwave Upper Door Interlock Switch Assembly W11551558, Replaces W11433682

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✅ Cross Reference Information

Common Symptoms

• Microwave will not start with the door closed.
• Operation starts only after the door is opened and closed repeatedly.
• Door-related error indication may appear.
• Microwave may fail to recognize that the door is securely closed.

Check Before Replacing

• Unplug the microwave before inspecting the door, latch hooks, and interlock area.
• Confirm the door closes fully and that the latch hooks are not visibly cracked, loose, or obstructed.
• Check for visible damage, looseness, or misalignment around the upper interlock assembly and door-latch area.
• If qualified and following the appliance-specific technical documentation, check the interlock switches for correct continuity with power disconnected; do not operate the microwave with covers removed.
• If the microwave ever runs with the door open, stop using it immediately and disconnect it from power; do not attempt further operation until professionally inspected.

Pro Tip

Part Details

Installation Notes

• Disconnect electrical power before service.
• Verify the replacement against the appliance model and parts diagram before installation.
• Install the assembly so the door-latch mechanism engages the interlock switches correctly.
• After replacement, the microwave door interlock and shielding should be safety-tested before the appliance is returned to service.
• Do not operate the microwave with the cabinet or door-safety components improperly installed.

Verified Compatible Models

AMV2307PFB4, AMV2307PFB5, AMV2307PFB6, AMV2307PFB7, AMV2307PFS4, AMV2307PFS5, AMV2307PFS6, AMV2307PFS7, AMV2307PFW4, AMV2307PFW5, AMV2307PFW6, AMV2307PFW7, UMV1160CB8, UMV1160CS9, UMV1160CW8, UMV1170LB0, UMV1170LB00, UMV1170LB02, UMV1170LB03, UMV1170LB04, UMV1170LS0, UMV1170LS00, UMV1170LS02, UMV1170LS03, UMV1170LS04, UMV1170LW0, UMV1170LW00, UMV1170LW03, UMV1170LW04, WMH31017HB4, WMH31017HB5, WMH31017HB6, WMH31017HB7, WMH31017HB08, WMH31017HB09, WMH31017HB10, WMH31017HS4, WMH31017HS5, WMH31017HS6, WMH31017HS7, WMH31017HS8, WMH31017HS09, WMH31017HS9, WMH31017HS10, WMH31017HS11, WMH31017HS12, WMH31017HW4, WMH31017HW09, WMH31017HW10, WMH31017HW11

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