Author Topic: LG self cleaning self-destruct feature  (Read 444 times)

Offline domain

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  • Member Since: Nov 2012
  • Posts: 1615
  • Country: us
Re: LG self cleaning self-destruct feature
« Reply #10 on: February 12, 2015, 10:25:32 PM »
Well whoops.... that's samsung

Offline kevininwa

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  • Member Since: Feb 2015
  • Posts: 7
Re: LG self cleaning self-destruct feature
« Reply #11 on: February 12, 2015, 11:31:46 PM »
That's not what I wanted to hear John, but it does make sense. At this point the troubleshooting guideline points to the power PCB or the main PCB. Is there a good way to tell?

Offline john63

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  • Member Since: Feb 2010
  • Posts: 531
Re: LG self cleaning self-destruct feature
« Reply #12 on: February 12, 2015, 11:53:36 PM »
Remove panel

Locate/disconnect the plug on the POWER BOARD marked "CN 10"

Test voltage at the tiny pins---at the "CN10" connector

The pin are numbered 1 through 6

The top pin is number 1

The bottom pin is number 6

PIN 1 to PIN 3------> 24vdc to 35vdc  (DC voltage)

PIN 4 to PIN 3-----> 24vdc to 35vdc   (DC voltage)

PIN 5 to PIN 6-----> 3.4vac to 4.6vac  (AC voltage)

If all tests are good---replace the MAIN BOARD

If any of the tests failed---replace the POWER BOARD.
« Last Edit: February 12, 2015, 11:53:56 PM by john63 »

Offline kevininwa

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  • Member Since: Feb 2015
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Re: LG self cleaning self-destruct feature
« Reply #13 on: Today at 12:21:44 AM »
I've got an update.
It was the high limit thermostat. Replaced the $4 part and we are good to go!

Offline john63

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  • Member Since: Feb 2010
  • Posts: 531
Re: LG self cleaning self-destruct feature
« Reply #14 on: Today at 12:27:34 AM »
Good outcome:)

The only puzzle that remains---is *why* the Control Panel Display---was also "dead" (no lights at all).

Offline kevininwa

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  • Member Since: Feb 2015
  • Posts: 7
Re: LG self cleaning self-destruct feature
« Reply #15 on: Today at 01:17:00 AM »
I know, nothing worked except for the burners. The real puzzler is why there is no mention at all of the thermostat in the detailed Troubleshooting guide. Not in the decision-tree diagram or among possible solutions. It portrayed the 'no panel lights' troubleshooting along the lines you offered; testing the boards and replace if they fail. I'd second guess it but it works fine now.

 

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