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Lg Microwave DOTRM15B Parts

Time Delay Fuse (Thermal Fuse), 1 Pack
Genuine Lg part
By: Lg
Part Number: 3B74133C

This time delay fuse protects the appliance from overheating by opening the circuit when temperatures exceed safe limits. It's a direct-replacement electrical safety fuse used in heating circuits to help prevent damage and fire risk. What it does:

  • Opens the circuit when the detected temperature rises above safe operating limits to stop the heating element
  • Helps prevent overheating-related damage to internal components and wiring
  • Can cause intermittent or no heating when failed
  • Commonly associated with symptoms such as no heat, reduced or inconsistent heating, or a unit that stops running during heating cycles
What's included: One time delay fuse Install notes:
  • Disconnect power to the appliance before accessing or replacing the fuse to avoid electrical shock
  • Locate the fuse according to your appliance's service manual or diagram and replace with the exact part number
  • If the fuse is blown, inspect heating element, thermostat/thermal cutouts, and venting for underlying faults before reinstalling

This part fixes the following symptoms
  • Won't start
See more...
Do-It-Yourself Stories from Customers like You Thermostate (correct name is a thermister; 1 time over heat and reacts like a fuse)   Paul J. • Parkville , MD • February 16, 2017

Actual problem was due to a poor connection from the circuit board and HV transformer, over time this poor / loose connection began to arc causing enough heat to physically melt the connector and the contact to the thermistor. the problem was obvious but I still followed procedures to check all the components.*** NOTE*** ALWAYS UNPLUG DEVICE FIRST, WITH MICROVAVES, ALWAYS, ALWAYS, DISCHARGE HV CAPICITOR, IT CAN KILL YOU! just take your time testing components, following your electronic... Read more

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Holder, Locker (Lock Mounting Bracket)
Genuine Lg part
By: Lg
Part Number: 3500W1A013R

This holder secures the door lock assembly to the washer, keeping the latch and lock mechanism aligned for reliable door closure and operation. Replaces a worn or broken lock mounting bracket to restore proper door engagement. What it does:

  • Mounts and supports the washer door lock assembly to keep the latch aligned
  • Holds the lock in place so the door can fully close and lock during cycles
  • Common symptoms: door won't latch, door comes loose, washer won't start, or door/lock error codes
  • Prevents excessive movement that can damage the lock or striker
What's included: One holder/locker (lock mounting bracket) as shown Install notes:
  • Unplug the appliance and turn off water supply before beginning work
  • Basic hand tools (screwdriver, nut driver) are typically required; keep fasteners for reassembly
  • Handle edges and the door/lock assembly carefully to avoid damage

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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0402822

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

Do-It-Yourself Stories from Customers like You Kennmore elite microwave with f5 error code   Julius D. • Oxford , PA • February 11, 2017

When Microwaving food, the display panel would seem to act normal, but the typical microwave sound would be absent. No microwave action would occur. Eventually an F5 code would display. Problem was the upper door switch. Found it by opening up the cabinet, removing the display panel (1 screw and a couple of plugs) and testing all three micro switched with a meter. Two switches are for the door and one for some kind of ventilation flap. They are all in the same area. Go to YouTube to see... Read more

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Lever
Genuine Lg part
By: Lg
Part Number: 4510W3A012A

 

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Relay,Contact
Genuine Lg part
By: Lg
Part Number: EBB60659001

 

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Microwave Magnetron
Genuine Lg part
By: Lg
Part Number: 2B71165R

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.

Do-It-Yourself Stories from Customers like You Above range microwave not heating at all   Alan K. • Sunrise , FL • October 05, 2015

LG Help-line said probably a failed magnetron, but since out of warranty,referred me to an authorized LG repair service. They wanted $79.95 service call to come out & diagnose problem. I ordered replacement magnetron for less than cost of a service call, Plus the part was delivered next day! Works like new again. Happy wife = happy life! Notes for DYI-ers: 1.Be careful removing over the stove microwaves--get help,they are heavier than you think. 2.Unplug microwave for 48 hrs, carefully... Read more

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Microwave Inner Door Frame Assembly
Genuine Lg part
By: Lg
Part Number: 3213W1A049F

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

Do-It-Yourself Stories from Customers like You Glass fell out of its retainers and plastic clips holding the frame assembly to the door broke off   Steve C. • Caledonia , WI • September 23, 2015

Careful placement of new screws into the inside of the outer door that now hold the frame assembly to the door secured the frame assembly to the outer door. All of the other parts I bought and replaced were a waste of money. I figured since I had them I might as well install them anyways. Easier than sending them back since I had the whole thing apart anyways. The part I really needed was no longer available, the outside door. The glass reinstalled into the retainers in the door without a... Read more

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Microwave Inner Door Frame Plastic Film
Genuine Lg part
By: Lg
Part Number: 3536W1A012B

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

Do-It-Yourself Stories from Customers like You Glass fell out of its retainers and plastic clips holding the frame assembly to the door broke off   Steve C. • Caledonia , WI • September 23, 2015

Careful placement of new screws into the inside of the outer door that now hold the frame assembly to the door secured the frame assembly to the outer door. All of the other parts I bought and replaced were a waste of money. I figured since I had them I might as well install them anyways. Easier than sending them back since I had the whole thing apart anyways. The part I really needed was no longer available, the outside door. The glass reinstalled into the retainers in the door without a... Read more

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Microwave Mounting Plate
Genuine Lg part
By: Lg
Part Number: 3300W0A030A

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

Do-It-Yourself Stories from Customers like You Missing mounting bracket and hardware.   Stephen H. • Fort Myers , FL • January 01, 2021

Ordered it from you. Read more

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Microwave Mounting Hardware Kit
Genuine Lg part
By: Lg
Part Number: 3861W1A043C

This is an installation hardware kit that includes the bolts, screws, brackets, and fasteners needed to mount an over-the-range microwave to the wall and upper cabinet. It ensures the microwave is securely attached and properly supported during use. Use this kit if you are installing a new microwave or if original mounting hardware has been lost, stripped, or damaged.

Do-It-Yourself Stories from Customers like You Missing mounting bracket and hardware.   Stephen H. • Fort Myers , FL • January 01, 2021

Ordered it from you. Read more

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Microwave Light Lens
Genuine Lg part
By: Lg
Part Number: 4890W1A045A

This is a glass or plastic lens cover that sits over the interior light bulb inside the microwave. It protects the light bulb from grease, food splatter, and heat while allowing light to illuminate the cooking cavity. Replace this lens if it is cracked, cloudy, discolored, or missing, which can leave the bulb exposed to damage and reduce interior visibility.

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Appliance Truss Head Tapping Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0402818

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

Do-It-Yourself Stories from Customers like You Broken door handle on lg over range microwave   William M. • Town Creek , AL • June 29, 2017

Removed old broken door handle per video link on AppliancePartsPro.com. Installed new handle with no issues. <10 minute job at best. Read more

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Microwave Metal Wire Rack
Genuine Lg part
By: Lg
Part Number: 5026W1A048C

This metal wire rack sits inside the microwave cavity and provides an additional cooking level, allowing you to heat or cook multiple items at once. It is designed specifically for microwave use with supports that keep it properly elevated. Replace this rack if it is bent, rusted, or has damaged feet, which can cause arcing or uneven cooking.

Do-It-Yourself Stories from Customers like You Warming rack was missing   Dennis M. • Clarks Summit , PA • August 03, 2015

Ordered a replacement Read more

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Ac Synchronous Motor (Timer/Control)
Genuine Lg part
By: Lg
Part Number: 6549W1S011Z

This AC synchronous motor drives timed and low-speed control functions in compatible appliances, restoring consistent, steady rotation for cycle advancement and actuator movement. Use it when the appliance fails to progress through cycles or shows weak/no motor movement. What it does

  • Provides steady, constant-speed rotation used by timers, controls, or small actuators.
  • Restores reliable cycle advancement when timers or controls stop moving.
  • Stops humming or intermittent movement caused by a failing synchronous motor.
  • Interfaces directly with existing wiring and mounting points—serves as a direct replacement.
What's included One AC synchronous motor. Install notes
  • Disconnect power before beginning any repair to avoid shock.
  • Keep track of mounting hardware and wire connections; label wires if needed for reassembly.
  • After installation, restore power and run a test cycle to confirm correct operation.

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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 1TPL0402618

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

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Bracket
Genuine Lg part
By: Lg
Part Number: 4810W1A150C

 

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  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
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  • Repair ForumFree Tech Support!
  • Google Trusted Store Google Trusted Store