ReplyDon't forget to clean the burners and crossovers when you clean that flame sensor. There has to be a good path to ground and it doesn't take much rust to mess with 1 microamp.
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Why? Is that not how you are suppossed to check a flame sensor? Will it ruin the meter like that?Originally Posted by doc havoc
Should have just left your meter in the circuit and charged the customer for a new meter.
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Don't forget to clean the burners and crossovers when you clean that flame sensor. There has to be a good path to ground and it doesn't take much rust to mess with 1 microamp.
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This is a good thread
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X2
Though I've never seen anything as low as 30V.
Always remove molex and/or spade connectors to suspect components, reinsert, repeat, repeat and repeat. I don't completely understand how a clean looking plug or spade can be the culprit, but one in maybe 10 times it's just that quick and easy.
I sometimes wonder how many "bad" boards were actually just a corrupted connection that was "fixed" when the new connectios were made to the new board.
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I heard somewhere that 40% of boards sent back were still ok. That number could be wrong because I heard awhile ago but since this is the Internet and you read it it automatically makes it true.
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I believe it.
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The joke was that it only worked with my meter in the circuit so I could have just left it there.
That would sure puzzle the next tech that liked at it.
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Lol I take this stuff way too serious man.
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That's why I added the little whistling emoticon. Showing sarcasm.
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I remember back in my 20's I needed a flame sensor, now @61 the only flame I have is on my stove.........
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X2 I fixed an intermittent issue with a fireplace piezo 2 days ago, after 4 other techs were there, by fully plugging the connector in!
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I had a similar experience with a Ruud unit. On the 80 percent units you might try reversing the polarity. This has worked for me twice now.
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