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You are welcome. But I do not think the voltage over 13 VDC is a good reading. You may want

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Old 01-31-2013, 02:41 PM
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You are welcome. But I do not think the voltage over 13 VDC is a good reading. You may want to check it at the control board too.

Gene.

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  #192 (permalink)  
Old 02-04-2013, 06:51 AM
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[quote=Gene;797641]You are welcome. But I do not think the voltage over 13 VDC is a good reading. You may want to check it at the control board too.

Gene, you are correct and thank you. The voltage output at R and Y was up to 19.5vdc. I bought a new motor, but instead of installing it, I tested the resistance and it read the same as the old motor, although each reading was polarity specific. I got two different readings on R/W at the new motor when I reversed polarity of the ohmmeter. Why is this? Also, the old motor still runs for a couple of seconds when first plugged in. So, I'm guessing its the motherboard. Wish I knew better how to test the motherboard before buying a new one.
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Old 02-05-2013, 12:04 AM
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[quote=freddyrick;798121]
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...although each reading was polarity specific. I got two different readings on R/W at the new motor when I reversed polarity of the ohmmeter...
I never heard about such things. Check how is your ohmmeter set.

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Old 02-11-2013, 06:34 AM
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I never heard about such things. Check how is your ohmmeter set.

Everything is set correctly. Could it be because this is a variable speed induction motor?
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Old 02-11-2013, 05:09 PM
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What kind of meter did you use?

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Old 02-12-2013, 10:14 AM
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Quote:
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What kind of meter did you use?

Gene.
Basic digital ohmmeter.
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  #197 (permalink)  
Old 02-12-2013, 07:36 PM
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...I got two different readings on R/W at the new motor when I reversed polarity of the ohmmeter...
What was the difference?

How good is the battery in your meter?

Have you replaced the main control board yet?

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Old 02-13-2013, 01:28 PM
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Quote:
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What was the difference?

How good is the battery in your meter?

Have you replaced the main control board yet?

Gene.
I just got a new board to go with the new motor, and will install them together and hope for the best. Thanks.
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Old 02-13-2013, 08:57 PM
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You are welcome. Both new parts together should fix it.

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Old 04-02-2013, 08:50 AM
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Quote:
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You are welcome. Both new parts together should fix it.

Gene.
Hello again. Installed both parts and it worked fine for over a month. Yesterday I found the evaporator coil all frosted up. Defrosted with the blow dryer, seems to be working OK again. Any ideas what might have caused the coil to frost up? Thanks.
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