Question about LG LFX21971ST Stainless Steel Bottom Freezer French Door Refrigerator

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LG model LFX21971ST with bottom freezer. serious short circuit?

LG model LFX21971ST with bottom freezer. Daughter says this morning, "Dad, smells like something is burning in the refrigerator. Sure enough, light bulb covers are warped, plastic around metal where light bulbs sit is warped (from extreme heat). Unplugged frig. Took out both bulbs (still working before unplugged) and plugged frig back in and metal behind sockets again super-heated. Purchased in May 2006.

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Posted on Jan 02, 2017

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SOURCE: Refrigerator Lights Stayed on, Melted Plastic and Stopped Cooling

Same thing happened to us today. Call LG customer service they should offer you a one tiome extension on the warranty for parts only. DON'T ACCEPT! Tell them you need labor AND parts. I suspect there are a batch of bad relays in these refrigerators and they know it.

Posted on Jul 29, 2008

  • 12 Answers

SOURCE: Refrigerator Lights Stayed on, Melted Plastic and Stopped Cooling

The problem is with the main motherboard. It needs to be replaced along with the light socekt assembly. The new assembly has a temperature sensor that will cutoff power to the lights if it happens again.

Main board 6871jb1423n
Socket assembly 6621jk2003b

Posted on Oct 05, 2008

  • 531 Answers

SOURCE: Refrigerator warm and defrost heat sheath and coil frozen solid

check see if you have frost build up in freezer could be the heater or defrost thermostart or timer board call service

Posted on Apr 07, 2009

  • 10 Answers

SOURCE: Interior light bulbs stay on?

There is a switch on the inside of your frige that has gone bad. The switch is a slide type switch so when you open or close the door it makes the switch slide in and out, making the light come on and off. You need to write down the make and model # of your refrigerator and order a new switch either from the manufacturer or from the place you bought it. Once you have the new switch, unplug the refrigerator, take a flat head screw driver and gently pry the switch from the interior face, pull the two wires off and replace the old switch with the new. The switch is very inexpensive and very easy to replace. Calling a service technician out to do this could cost you more than you expect. If you are not very "mechanicaly enclinded" then just order the switch and have a brother, neihbor, or someone that is mechanicaly savy come over and fix it for you. It should not even take 5 minutes. ;-)

Posted on Aug 11, 2009

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SOURCE: lights stay on in fridge

HI. The door switch will be the culprit here.

The interior light in most refrigerators, and the fan in some, are controlled by a door switch. When the door is closed, the switch is depressed and the interior light goes off and the fan resumes normal operation. If the door is misaligned or the switch malfunctions, the refrigerator may become warm as a result of the non-operation of the evaporator fan and the heat generated by the interior light. Test the switch for continuity using a multimeter. Set the multimeter to the ohms setting X1. Place a probe on each terminal. The multimeter should change from a reading of infinity to zero when the probes touch the terminals. With the probes still touching the terminals depress the switch, the reading should change back to infinity. If it does not pass both of these tests, the switch should be replaced.

Posted on Dec 11, 2009

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