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Gene  
#191 Posted : Thursday, January 31, 2013 12:41:26 PM(UTC)
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Gene

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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.
freddyrick  
#192 Posted : Monday, February 4, 2013 4:51:03 AM(UTC)
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freddyrick

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Originally Posted by: Gene Go to Quoted Post
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.
Gene  
#193 Posted : Monday, February 4, 2013 10:04:24 PM(UTC)
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Gene

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Originally Posted by: freddyrick Go to Quoted Post
Originally Posted by: Gene Go to Quoted Post
...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.

Gene.
freddyrick  
#194 Posted : Monday, February 11, 2013 4:34:05 AM(UTC)
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freddyrick

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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?
Gene  
#195 Posted : Monday, February 11, 2013 3:09:36 PM(UTC)
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Gene

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What kind of meter did you use?

Gene.
freddyrick  
#196 Posted : Tuesday, February 12, 2013 8:14:33 AM(UTC)
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freddyrick

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Originally Posted by: Gene Go to Quoted Post
What kind of meter did you use?

Gene.

Basic digital ohmmeter.
Gene  
#197 Posted : Tuesday, February 12, 2013 5:36:44 PM(UTC)
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Gene

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Originally Posted by: freddyrick Go to Quoted Post
...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?

Gene.
freddyrick  
#198 Posted : Wednesday, February 13, 2013 11:28:33 AM(UTC)
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freddyrick

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Originally Posted by: Gene Go to Quoted Post
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.
Gene  
#199 Posted : Wednesday, February 13, 2013 6:57:52 PM(UTC)
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Gene

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You are welcome. Both new parts together should fix it.

Gene.
freddyrick  
#200 Posted : Tuesday, April 2, 2013 6:50:33 AM(UTC)
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freddyrick

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Originally Posted by: Gene Go to Quoted Post
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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