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Customer Questions and Answers for Pwb(pcb) Assembly,sub by LG

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    • Part Number: AP4457487
    • MFG Part Number: 6871W1N009A
    • Made by: LG
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For LG Pwb(pcb) Assembly,sub (Part Number: AP4457487)

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Experienced F4 fault code, replaced oven sensor but fault code persist. Traced line of oven sensor back to PCB, jiggled input F4 went away, oven reached baking temp. When oven has to be used again, F4 again showed up, jiggle input again and fault code goes away but shows up intermittently and had to do same thing all over again. Also noticed temp not controlling as close to desired temp when I placed temp probe inside oven. Suspect PCB is bad. Wrote down part no. as 6870W1N009B but part No. on website is 6871W1N009A. Is this the part I need or my troubleshooting is off base?

Sisonar for Model Number LRE30755ST

ANSWER Hello Sisonar, You would need to replace main PCB to correct issue with unit. The control 6871W1N009A is the correct part for your unit. 

Answered by AppliancePartsPros.com   |   Friday, December 28, 2012

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