Model #LRE30451SB LG Free Standing, Electric

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Question and Answers

Q:

why does my lg range goes on without been turn on

A:

On something like this I suspect the cooktop relay control board. You will need to check voltage across RED L1 to the blue wire connection; with the burner in the off position you should read 0 volts. If you read voltage there then you know the relay board has failed. Please see the image provided below for details.

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

SAFETY NOTICE: Be sure to disconnect power to the appliance before performing any repairs. If you are not comfortable with doing any voltage checks that might be recommended, please contact your local service provider for repairs. Be aware that there could be sharp edges inside the appliance that could cause cuts or other injuries to yourself or others.

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biker dave -
Sears Technician
April 22, 2010
Q:

How to replace lower heating element in a LG LRE30451SB oven?

A:

Before attempting to replace the bottom bake element in this range, I recommend that you measure the resistance of the element to verify that it is bad. To check this element, unplug the range and remove the lower back panel. CAUTION: Metal edges on the back panel and inside the range can be sharp. Protective gloves are recommended. Remove one wire from the bottom element (with the range still unplugged to disconnect electrical power). Measure the resistance across the leads of the element. You should measure around 17 ohms of resistance. If you measure infinite resistance (or Ol - open load) then the element is bad and will need to be replaced.

The technical data does not indicate how to remove the bottom element in this range. It does not appear to be removable from the rear of the range. It will likely require an extensive tear down of the range to access it. If the element does need to be replaced, I recommend that you have a service technician remove it and replace it. Here is a link for the Sears Service website: Sears Home Services .

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Lyle W -
Sears Technician
February 23, 2010

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