Lg Microwave DOTR12CBIV Parts
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
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...
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$10.95
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$13.14
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$2.19
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Genuine Lg part
By: Lg
Part Number: 6549W1V005A
Fix weak or noisy microwave ventilation with this circulation motor. Common cause of poor exhaust performance. Moderate DIY repair in 30-45 minutes.
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$118.95
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$141.55
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$22.60
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Genuine Lg part
By: Lg
Part Number: EAM62951702
$47.30
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$56.76
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$9.46
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Genuine Lg part
By: Lg
Part Number: 3213W1A031P
$59.56
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$60.71
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$1.15
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Genuine Lg part
By: Lg
Part Number: 3536WRA001M
$10.58
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$11.64
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$1.06
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Genuine Lg part
By: Lg
Part Number: 3550W1A187A
$18.01
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$18.82
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$0.81
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Genuine Lg part
By: Lg
Part Number: 3581W1A529C
$107.87
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$113.07
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$5.20
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Genuine Lg part
By: Lg
Part Number: 4890W1A008A
$24.49
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$29.13
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$4.64
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Genuine Lg part
By: Lg
Part Number: 5230W2A003A
$18.01
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$19.81
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$1.80
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Genuine Lg part
By: Lg
Part Number: 6930W1A003H
Fix a microwave that won't heat or overheats with this thermostat. Essential temperature control part. Typically takes 30-45 minutes to replace.
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$14.22
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$2.27
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Genuine Lg part
By: Lg
Part Number: 2B71165N
Genuine Lg part
By: Lg
Part Number: 3303W1A061A
Genuine Lg part
By: Lg
Part Number: 5020W2A134A
Genuine Lg part
By: Lg
Part Number: 5020W2A134B
Genuine Lg part
By: Lg
Part Number: 5230W2A001A
Genuine Lg part
By: Lg
Part Number: 6010W2P043A
A high-voltage component that steps up electrical power to operate the magnetron in microwave ovens, typically located in the electrical compartment. Replace if the microwave doesn't heat food, makes loud buzzing sounds, or repeatedly blows fuses.
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