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Well I'm about to dig in to this thing again...and you were correct..it froze over again. Here is my question: when I go to check the T-stat should it have continuity when it is warm at room temperature? or does it have continuity when it is cold? I'm figuring the T-stat is kind of a "switch". I just don't know at what temperature to check it.
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Rank: Member
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Joined: 9/15/2016(UTC)
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Well I just thawed it out. The heater has continuity but the T-stat does not (at room temperature). Does the T-stat have to be tested at a certain temperature?
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Rank: Member
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The t-stat is a closed circuit when cold, usually around 0 degrees. It is open when warm, usually 30 or so and above. We really need to know if that t-stat is good to know what's wrong with it. When resistance reading did you get on the heater?
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Rank: Member
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I just did a basic continuity check with the heater--unclipped the wires for both ends of the heater/put one probe on wire on one end and the other probe on the wire on the other end and it showed continuity. I'm not sure I answered your question did I?
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Rank: Member
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I like to be sure of things is all. If it shows as a complete circuit, it's likely ok. I like to see the resistance readings just to make sure they are in the ballpark of what they should be. If the t-stat tests out ok as closed, the control board is bad.
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Rank: Member
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The T-stat checked out ok. Ordered the control board today. The websites that you listed were very informative. Thanks again for your time
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Rank: Member
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Posts: 200
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Glad to hear I was helpful. Let us know how it all works out!
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Rank: Member
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Got the control board and installed it about 18 hours ago and things are cooling down in the fresh food side (about 37 degrees). I did another "hair dryer defrost" this past Sunday so it had been about 48 hours since the last thaw out when I installed the board. I went ahead and installed it with out taking apart the freezer side and doing a "h-d defrost" thing again. Do you think that if there was some frost built up on the coils over 2 days that the newly-working-defrost-system will now be able to defrost any build up that was there?
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Rank: Member
Groups: Registered
Joined: 3/28/2016(UTC)
Posts: 200
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I would pull it apart and thaw it just to be sure. If it starts to thaw and doesn't get it all, it will turn to ice and never thaw. Better safe than sorry.
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