Parts for Kenmore 721.80022700 (72180022700, 721 80022700): Controller Parts

Replacement owners manual for your microwave. Includes operating instructions, maintenance guidelines, and safety information. Order if original was lost or damaged.

A Tap-Tite binding-head screw used to fasten appliance panels and components where a self-tapping metal thread is required. Replaces missing or damaged fasteners to restore secure assembly and reduce vibration or rattling. What it does:

• Creates its own mating thread in thin sheet metal for a secure hold without a nut.
• Holds panels, brackets, and trim in place to prevent looseness or movement.
• Commonly used where stripped, missing, or broken screws cause rattling, misalignment, or parts that won't stay attached.
• Compatible with standard screwdrivers or nut drivers sized to the binding-head.

• Disconnect power and unplug the appliance before working on it.
• Use the correct driver bit to avoid cam-out or head damage.
• Start straight and apply steady pressure; avoid overtightening to prevent stripping the formed threads.
• If the original hole is badly damaged, assess for repair or use of a larger fastener as needed.

This is a replacement screw used to secure appliance components and panels. It restores proper fastening where a stripped, missing, or damaged screw causes loose parts or rattling. What it does:

• Fastens panels, trim, or internal components to maintain structural fit
• Helps stop vibration-related noise from loose assemblies
• Replaces missing or corroded screws that prevent proper closures
• Restores secure mounting after repairs or disassembly

• Use the correct screwdriver or bit to avoid stripping the head
• Tighten until snug—do not over-torque to prevent thread damage
• Keep small parts away from children and pets
• Disconnect power or water before accessing internal parts

Truss head tapping screw secures panels, brackets, and covers in appliances. Replaces missing or damaged fasteners to restore snug fit and alignment.

This is a truss-head tapping screw used to secure trim, panels, and small assemblies on compatible LG appliances. It provides a low-profile, wide-bearing head that helps hold parts flush and resist pull-through. What it does:

• Fastens plastic and sheet-metal components where a self-tapping thread is needed
• Truss head spreads load to prevent damage to soft or thin materials
• Helps secure control panels, brackets, or trim pieces that require a low-profile head
• Common replacement when original mounting screws are missing, stripped, or corroded

• One truss-head tapping screw

• Use the correct screwdriver bit and moderate torque to avoid stripping the screw or workpiece
• Start threading straight and let the screw form threads without forcing at an angle
• Disconnect power and follow appliance-specific service safety procedures before working internally
• Replace any damaged mating threads or clips for a secure fit

Mounting screw for microwave assembly. Secures internal or external components. Replace if stripped, missing, or damaged during repair or installation.

Replacement mounting screw for microwave panels and components. Secures brackets, vents, and assemblies. Needed when original fastener is missing or damaged.

Inner door frame assembly for microwaves. Supports window, trim, handle, and latch alignment. Replace if cracked, broken, or structural clips damaged.

Plastic film covers holes in the microwave inner door frame. Replace if bubbled, burned, cracked, or peeling. Attaches to door glass assembly.

Protective shield that covers internal components on the microwave door. Replace if cracked, broken, or tabs have snapped off during handle or latch repair.

Microwave won't start or stops working? A broken door latch prevents the door switch from engaging. Direct replacement, typically takes 15-30 minutes.

Microwave door won't stay closed or latch? This door latch spring provides tension to secure the door shut. DIY repair in under 10 minutes with video help.

Replaces a cracked, chipped, or broken glass turntable tray inside your microwave cavity. Typically damaged during cleaning or accidental impacts.

Fastens panels, brackets, and covers inside the microwave cabinet. Replace if cracked, broken, or missing to restore secure mounting and alignment.

Color: brown. Measures about 10 inches in diameter.

The Microwave Turntable Motor is an OEM replacement part for LG over-the-range microwaves. This motor is responsible for powering the turntable inside the microwave cavity, ensuring even heating and cooking of food items.  

Symptoms of a bad motor include: 

• The turntable not spinning or turning intermittently
• Loud buzzing or grinding noises coming from the microwave interior
• The turntable spinning but not evenly or at the proper speed
• Smoke or burning smells coming from the microwave

Causes of a bad motor can include normal wear and tear over extended use, residue or debris buildup interfering with operation, or failure of internal motor components.

This replacement door glass restores a clear viewing window and the protective barrier on your microwave door. Replace it when the original panel is cracked, shattered, or heavily scratched to keep the door secure and safe to use.

• Provides the see-through window and protective barrier within the microwave door
• Helps maintain proper door rigidity and alignment when intact
• Replace if the glass is cracked, chipped, shattered, loose, or badly scratched
• Reduced visibility, rattling, or visible damage are common symptoms of failure

• Unplug the microwave before servicing; microwaves can retain high voltage—use caution and do not open the cabinet
• Support the door; removal from the hinges may be required per your model's diagram
• Handle glass with cut-resistant gloves; edges can be sharp
• Transfer any reusable trim/clips as directed and verify the door latches and closes properly after installation

This grille covers the oven's ventilation opening, allowing hot air and steam to escape safely, usually located on the front or top of the range. Replace it when the grille becomes damaged, warped from heat, or when ventilation appears blocked or restricted.

Replace your microwave's interior or underside light bulb when dim or burned out. Restores visibility for monitoring food. Confirm fit with your model.

This canopy resistor regulates current to a range-hood or canopy fan circuit to help the blower run at the correct speeds. Replacing a failing resistor can restore proper fan speed control and stop intermittent operation. What it does:

• Controls electrical resistance in the canopy/blower circuit to help regulate fan speeds.
• Helps prevent the motor from running only on a single speed or from failing to start at selected speeds.
• Can cause symptoms such as inconsistent fan speeds, no response from speed controls, or occasional fan cutoff.
• Works with the hood's wiring and control switch to deliver the correct voltage to the fan motor.

• Disconnect power to the appliance before accessing the canopy or electrical connections.
• Inspect wiring and connectors for heat damage or corrosion; replace harness or terminals if damaged.

The Door Latch Housing and Interlock Switch Assembly is an OEM replacement part for LG microwaves. It consists of the protective door latch housing casing along with the two-door switches and interlock switch.

The interlock switch prevents microwave energy from being generated inside the oven when the door is open. It shuts off all power once a faulty seal is detected between the door and cavity.

Symptoms of issues can include:

• Microwave failing to turn on or cook with the door open
• Sparking or arcing seen near the door seal or frame
• Error codes displayed related to interlock detection faults

Compatible models include some GE, Kenmore, and Samsung units using matching door designs sourced from LG.

Fix a microwave that won't start or runs with the door open. This door interlock switch ensures safe operation by detecting when the door is fully closed.

The Interlock Door Switch is an OEM part for LG microwaves. It is a safety component located on the door of the microwave designed to prevent the microwave from operating unless the door is securely closed. The interlock door switch works with the microwave's electronic control board to sense when the door is open or closed and allow or disallow operation accordingly.

Causes of a bad interlock door switch can include normal wear and tear from repeated opening and closing of the microwave door over time.

Symptoms of a bad interlock door switch include:

• The microwave runs or heats with the door open
• Error codes or diagnostic messages related to door sensors on the control board
• The microwave fails to operate even when the door is securely closed

This OEM LG part is also compatible with some Sears/Kenmore microwaves.

Microwave won't heat? A failing high-voltage capacitor disrupts the heating circuit. This part stores electrical energy for consistent operation.

The Time Delay Fuse is an OEM part for LG microwaves. This fuse provides a safety mechanism by delaying the flow of electricity, protecting the microwave's electrical components from power surges and ensuring the appliance operates safely. It helps to prevent immediate damage in the event of a power surge or electrical fault, thus prolonging the lifespan of the microwave.

Over time, the time delay fuse can become damaged due to electrical surges, wear and tear, or faulty connections. If the fuse blows, it can disrupt the microwave’s ability to function correctly.

Symptoms of a bad time delay fuse include:

• The microwave not turning on
• No response from the microwave control panel
• The microwave stopping unexpectedly during operation
• Electrical issues or blown circuits in the microwave

This OEM LG part is also compatible with Sears/Kenmore models.

Mounting bracket for microwave installation. Secures microwave to wall or cabinet. Replace if bent, cracked, or missing for safe reinstallation.

Fix a microwave that won't heat with a new magnetron. This part generates the microwave energy needed for cooking. Moderate DIY repair, 1-2 hours.

This replacement lamp assembly restores interior illumination so you can see the appliance cavity clearly and safely. It fits the original mounting and electrical connections for a direct swap. What it does

• Replaces a burned-out, flickering, or dim interior lamp so you can inspect food and parts easily
• Provides the correct shape and connector to match the appliance's original lamp location and mounting
• Helps eliminate intermittent lighting caused by a damaged lamp or failed lamp connection
• Restores normal light output for safe loading and unloading

• Disconnect power to the appliance before starting any repair
• Allow the appliance and old lamp to cool completely before handling
• Handle the lamp by its base or use gloves to avoid oil contamination on the bulb
• Follow the appliance's service manual or OEM diagram for correct removal and installation

If your microwave shuts off mid-cycle or won't heat, the thermostat may have failed. This safety control monitors temperature and protects components.

Microwave won't heat or makes loud buzzing noise? The diode regulates magnetron current flow. Simple repair—test with multimeter for continuity.

Support plate for microwave interior mounting. Replaces cracked, broken, or missing plates that secure internal components. Essential structural part.

Reduces cooking odors in your microwave. Replace every 6 months for optimal performance. Confirm fit with your model number before ordering.

Holds the light bulb and maintains electrical connection in your microwave. Replace when socket is cracked, heat-damaged, or causes flickering lights.

This fan assembly moves air through the unit to cool internal components and maintain proper ventilation. Replacing a worn or seized fan restores correct airflow, helps prevent overheating, and reduces excessive noise from a failing motor or wheel.

• Circulates cooling air across internal components to prevent overheating
• Exhausts air through the vent/duct path for proper ventilation
• Common symptoms: fan not running, weak airflow, or loud rattling/squealing
• Unit may overheat or shut off during use when the fan fails

• Disconnect power before service; microwaves contain a high-voltage capacitor that can retain a dangerous charge—follow proper safety procedures.
• Remove access panels to reach the fan housing; note airflow direction and wire orientation.
• Transfer any brackets, grommets, or screws from the original assembly if required.
• After installation, verify the wheel spins freely and airflow direction is correct before reassembly.

Holder component for microwave interiors. Replaces broken, cracked, or missing holders that secure internal parts. Direct fit for multiple models.

Metal mounting plate that secures the microwave chassis to the wall or cabinet. Replace if bracket is bent, cracked, or missing during installation.

Holds the damper assembly in place inside the microwave cavity above the wave stirrer. Replace if bracket is bent, broken, or missing during installation.

Exhaust damper for microwave venting systems. Installs on rear exhaust to regulate airflow. Replace if cracked, broken, missing, or not sealing properly.