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post #21 of 38 Old November 28th, 2011, 02:29 PM
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90% sure your fan relay is hanging, kill your unit with the disconnest or breaker and it will fix it.
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post #22 of 38 Old November 28th, 2011, 02:32 PM Thread Starter
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is the fan relay a totally seperate part i can replace or do i have to call a technician to get it from their company, or is it on that fan control board?


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post #23 of 38 Old November 28th, 2011, 02:35 PM
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its a seperate part, buying it on the other hand, you may need to talk to your buddy and let him go buy if for you. It should be no more than 15 bucks but if you call a company to come fix it they will charge you 50 for the relay minimum. Entire bill will be over 100 bucks for sure.
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post #24 of 38 Old November 28th, 2011, 02:41 PM
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Quote:
Originally Posted by dr.gonzo! View Post
fan control board will look something like this
See that white relay to the right of the control board? Thats the fan relay, just kill power to the unit for a sec and then turn it back on and it will work.
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post #25 of 38 Old November 28th, 2011, 02:51 PM
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If you kill power it wont come on, its only 24volts, just get a piece of speaker wire and stay on the insulation, if it does bit you it dont hurt.
I always feel it bite more when its summer and I am sweating my ass off its really not hat bad. I hate the 9v on the tounge more than the 24v on my fingers

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post #26 of 38 Old November 28th, 2011, 02:52 PM Thread Starter
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Okay, nightmare, i know where the disconnect is, afterwork im going to kill the power and wait ten secs then turn it back on and i will go from their as this seems the easiest place to start.


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post #27 of 38 Old November 28th, 2011, 03:01 PM
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Originally Posted by dr.gonzo! View Post
I always feel it bite more when its summer and I am sweating my ass off its really not hat bad. I hate the 9v on the tounge more than the 24v on my fingers
We have some 24v stuff that runs high amps that will knock you down here at work. I dont care if its 2volts, my hand never leaves the insulation.
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post #28 of 38 Old November 28th, 2011, 06:14 PM Thread Starter
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Okay, i walked outside (in the pouring rain) flipped the switched and verified the power was off, the motor i could hear stopped turning. i flipped it back on and it kicked right back on, verfied the thermostat was set to off as well so its not that relay stuck open, looking at the back of the thermostat now and going to touch the wires.


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post #29 of 38 Old November 28th, 2011, 06:19 PM Thread Starter
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took the thermostat off and i see this is on it, the fan is still running right now with this off.


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post #30 of 38 Old November 28th, 2011, 06:47 PM
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took the thermostat off and i see this is on it, the fan is still running right now with this off.
Then the problem is not the t-stat, its going to be in the control board since you tested the relay. I would suggest calling a tech to come look at it, I could tell you how to trouble shoot it but you will be working it hot and I dont want to kill you. Call your buddy or a tech.

It could still be the relay its just stuck, killing power most of the time will close it but not always, only way to tell is take it off and ohm it. I would call someone or get a new relay and try that.

Edit: I can tell now that you have electric heat, is your unit a heat pump? Doesn't matter just wondering.

Last edited by Nightmare69; November 28th, 2011 at 06:56 PM.
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post #31 of 38 Old November 28th, 2011, 06:50 PM
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If you cant get someone out there to look at it today and you dont want your fan running all the time either kill power or turn the t-stat off and take off G(the green wire) and it will turn it off since its raining
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post #32 of 38 Old November 28th, 2011, 07:44 PM Thread Starter
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I will probably turn the whole unit off from outside and call my buddy. appreciate all your help nightmare Reps for everyone going through this with me.


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post #33 of 38 Old November 28th, 2011, 09:34 PM
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Sounds like your flux capacitor is on the fritz, see that yellow wire jiggle that violently and should work.



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post #34 of 38 Old November 28th, 2011, 11:07 PM
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Same same with me. Started with no blower in house but outside compressor and fan would run. Had bad 24vac transformer (inside of house at air handler) which was easy to figure out(burnt smell black charred). Replaced and unit turned on but was blowing hot and cold simultaneously... also, the blower never shut off no matter what I did to thermostat settings and switch positions.
Blower on constantly was bad a/c fan relay. Hot/cold together was bad sequencer.
Bought my parts online with next day air (which cost about as much as parts) except transformer local $25.
Sounds like your 24vac transformer is working. I have an electric furnace with outside compressor for a/c... my other components were discreet (individual).
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post #35 of 38 Old November 29th, 2011, 09:31 AM Thread Starter
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^today, (long as its not pouring ) i will be taking off the casing to my unit, everything is outside, nothing is inside except intake, and will be looking for the fan control board. I'll post a pic of that as well, it would be nice to learn more how this stuff works.


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post #36 of 38 Old November 29th, 2011, 09:49 AM
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If you want to call around to local HVAC parts store and get prices just get the make/model/serial number off the unit and tell them what part your calling about.
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post #37 of 38 Old December 1st, 2011, 12:58 PM Thread Starter
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To revive this i still havent had this fixed yet, i was able to grab a few pictures and what i believe is a part number if you could take a look nightmare just to see if i grabbed the right info.
I thought this was the control board

closer image


The part numbers i was able to get off of it were 1050-1 ceso110063-01 9526

when i searched it it came back with a timer defrost board. is this the right board to look at? i didnt really see anything else in there.
Carrier CESO110063-02 Timer Defrost Board


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post #38 of 38 Old December 1st, 2011, 01:05 PM
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Just get the model/serial number off your unit and tell them you need a defrost board. Finding a hvac part store that will sell to the public is rare here, that board wont be cheap anyway. I still think its the fan relay and it would be alot cheaper to try it first before you buy a new board.

If you are going to try to fix this yourself please kill power first and make you a drawing of where all the wires go, otherwise you will pull your fucking hair out later.
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