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GH7155XKB LG Range - Overview

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Glass Cooking Tray – Part Number: 1B71961H
$45.29
On Order
Glass Cooking Tray
★★★★★
★★★★★
(15)
Part #1B71961H
This OEM glass cooking tray is a removable glass plate, measuring 13 inches in diameter, that spins inside the microwave during operation. It ensures that heat is evenly distributed in the microwave to properly heat or cook the food. Over time, the heat generated in the microwave can cause the glass to warp and the plastic rollers to wear down. The glass can also crack or shatter accidentally. It is important to replace the glass as soon as it is no longer functioning well to prevent uneven heating and reduce any safety hazards from damaged glass. Carefully pull the old glass cooking tray from the microwave and clean the microwave cavity. Place the new tray onto the rotating mechanism, and properly align it with the rollers. Turn the microwave on and check to see that the tray is rotating freely.
Air Duct Bracket – Part Number: 4810W1A151A
$17.15
In Stock
Air Duct Bracket
★★★★★
★★★★★
(2)
Part #4810W1A151A
This bracket holds the metal or plastic flapper that closes off the exhaust duct when the fan is not running and opens when the fan turns on. If the exhaust fan on your microwave does not appear to be working, the problem may be with the damper assembly. If the damper does not open and close easily, check for any damage to the bracket, and replace if it is damaged or faulty. This genuine OEM exhaust damper measures approximately 12 inches long by 5 inches wide.
Time Delay Fuse – Part Number: 3B74133Q
$11.77
On Order
Time Delay Fuse
★★★★★
★★★★★
(3)
Part #3B74133Q
The fuse-time delay may also be known as a line fuse or a microwave fuse, and it is a piece for your microwave. The function of this part is to shut off the microwave if there is a power surge, in order to protect your microwave from damage. You should consider having a service technician install this part as the high-voltage capacitors in a microwave can contain a very harmful electrical charge, even when the microwave is unplugged and has been inactive for some time. The tools that would be needed to complete this installation include a Phillips screwdriver, an insulated screwdriver, and a pair of pliers.
Rivet – Part Number: 4051W3A001A
$6.40
In Stock
Microwave Screwtapping – Part Number: 1TTL0402818
$13.92
Special Order
Switch,Micro – Part Number: 3B73361E
$21.45
Special Order
Switch,Micro
Part #3B73361E
This is a micro switch, but you may also know it as a door switch and it is compatible with your microwave. The function of the micro switch is to communicate to the electronic control board of your appliance when the door is opened and closed. If this part is broken and needs replacing you will notice your timer activated but the food inside is not being heated. This part measures to be roughly 1.5 inches long by just over half an inch wide, and it is black in color. You will find the location of this part behind the front panel of your microwave.
Hardware Mounting Kit – Part Number: 3861W1A043C
$43.18
In Stock
Hardware Mounting Kit
★★★★★
★★★★★
(4)
Part #3861W1A043C
Ensure a seamless installation of your microwave oven with this Hardware Mounting Kit from LG. This genuine OEM item contains all the necessary hardware required, making the assembly process a breeze. It is important to follow the manufacturer-provided owner's manual or installation guide while setting up. This piece may vary slightly in appearance from previous parts you might have seen, but it guarantees the same high-quality performance. This kit is designed to perfectly fit certain LG microwave models. Purchasing and using authentic installations kits such as this LG Hardware Mounting Kit ensures durability of your microwave oven.
Spring – Part Number: 4970WRA001B
$13.92
Special Order
Spring
Part #4970WRA001B
Filter,Grease – Part Number: 2B72705B
$21.45
Special Order
Filter,Grease
Part #2B72705B
Thermostat – Part Number: 6930W1A003J
$21.45
In Stock
Thermostat
Part #6930W1A003J
This is a high-limit thermostat for various models of LG microwave ovens. This thermostat acts as a preventative safety device and is designed to cut off continuity for the microwave oven if/when its temperature exceeds a certain threshold. If you are noticing dangerously high temperatures coming from your microwave oven, make sure to turn it off and test this thermostat with a multimeter for continuity, to ensure it is still working properly. If not, it needs to be replaced immediately. This thermostat is sold individually and does not come with any other parts or securing screws.
Capacitor – Part Number: 0CZZW1H004B
$43.18
In Stock
Capacitor
Part #0CZZW1H004B
Discover the essential part for your LG microwave oven: the High Voltage Capacitor. This genuine OEM item from LG is specifically designed for certain models of microwave ovens. The high-quality capacitor is a vital part of the microwave's high-voltage circuit system, storing an electrical charge to support function and performance. But remember, due to safety considerations concerning the high-voltage capacitor's ability to retain a lethal electrical charge even when unplugged, we recommend having this part installed by a qualified service technician. Ensure your appliance operates at peak capacity with this top-notch LG High Voltage Capacitor. Please confirm if this capacitor is suitable for your specific microwave model before purchasing.
Glass Tray – Part Number: 1B71961A
No Longer Available
Glass Tray
Part #1B71961A

Common Symptoms of the GH7155XKB

How this model fails, and the parts that fix it.

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Broke the round glass tray
10 of 14 people found this instruction helpful.
  • Eileen from DETROIT LAKES, MN
  • Very Easy
  • Less than 15 mins
new glass tray
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Micro Wave no heat all else fine. Also at times door would not shut properly.
2 of 2 people found this instruction helpful.
  • Roy from MILLINGTON, TN
  • Really Easy
  • 1- 2 hours
  • Pliers, Screw drivers
Replace (after testing w/ohm meter) diode and locker holder. My door often would not close properly. Microwave let know by saying not shut properly. When disassembled found the top screw mount was hollowed out resulting in it moving on occasion when you close door. First remove casing (special safety torx head) needed for rear screws. Onc e removed all parts available to view or work on. Diode is on the capacitor so caution is needed when removing. Serious shock hazard if touched. Use insulated pliers to remove from capacitor and a phillips on the ground. Test with ohm meter Should have resistance on way and non the opposite. Replaced mine bad. Next the holder 2 phillips screws and its yours. Unplug each switch and remove. Take note to what wires go to what switch and what switch mounts where. Mine had 3 switches. Removed from old holder and put in new. Screwed holder back in place and left scrws loose till re wired. Once wired set the holder by lightly tighting the screws. Try the door till it seats properly ensuring that all 3 switches are working properly. If so thighten screws. If all seems to work as advertised, safely plug in and test unit if heats up un plug and put cover back on micro. Your all set. Happy heating.
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The Microwave was completely dead and wouldn't run, light up or anything.
3 of 6 people found this instruction helpful.
  • Christopher from SHERWOOD, OR
  • Easy
  • 1- 2 hours
  • Pliers, Screw drivers
I followed an old appliance repair forums post from 2008 that discussed this exact common issue with this LG model. It took me quite a while to find the info. Then I used the schematic diagrams on your website to find where the part was located inside the microwave. I removed the outer cover. I tested all components including the thermost at for continuity with a multimeter. I discovered there wasn't any continuity in the thermostat so ordered the part and replaced it. Everything works like a charm! Thanks for the great, fast service.
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