Help ASAP...


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Old 08-10-09, 08:32 AM
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Help ASAP...

Heres the back story; Was cutting vines down around the A/C unit outside to clean out the coils, when I hit the brown wire (Thermostat) running to the unit; The wire didn't split or break but pulled the connection away from the wire comming off the contactor connection; Thinking it was a simple fix I used a wire nut and reconnected the connection; Nothin... I followed the brown wire all the way through the craw space in my house to the blower unit and there were no splits or breaks in the wire. I went back to the unit outside and fiddled around w/ the contactor, when I push the center connection in on the contactor where the thermostat closes the curcuit the outside unit kicks on. But nothing happens to the blower motor in the basement. The ASAP part in the title is due to the cookout I'm having this afternoon and need to get this fixed befor then... Please help, Thanks
 
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Old 08-10-09, 08:55 AM
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Can you post a couple of pice of what wires came off and what you did?
 
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Old 08-10-09, 09:02 AM
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Unfortuantly I cannot, I'm at work right now. But it was the red wire coming off of the connection going to the coil in the back of the contactor, if that helps.
 
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Old 08-10-09, 09:32 AM
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Have you tried operating the system with the stat?
 
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Old 08-10-09, 09:40 AM
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By just turning the stat on cool? Yes
 
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Old 08-10-09, 09:45 AM
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Well, by turning it in cool and lowering set point below room temp.

If so and nothing happens, it may be very difficult to get running this afternoon considering your at work
 
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Old 08-10-09, 09:49 AM
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Thats no good. But yes I have done that and the thermostat does click, but nothing after that...
 
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Old 08-10-09, 10:23 AM
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First thing to do is check for 24v at coil of contactor with stat on and calling for cooling
 
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Old 08-10-09, 11:52 AM
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Probably blew the low voltage fuse on the air handler circuit board.
 
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Old 08-10-09, 12:56 PM
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Where is that located and how can I replace it
 
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Old 08-10-09, 12:58 PM
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The 3 amp fuse on the Circuit board on the blower?
 
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Old 08-10-09, 01:01 PM
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Yes sir, that would be the fuse.
 
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Old 08-10-09, 01:02 PM
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Probably blew the low voltage fuse on the air handler circuit board.
Good call Skip, didn't even think of that, been a long day.

Yes the 3 amp fuse on the board
 
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Old 08-10-09, 01:04 PM
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I will check that as soon as I get home, thank you sir's both of you...
 
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Old 08-11-09, 07:00 AM
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That fixed it, an 11 cent fuse; Cookout was a success, appriciate it very much...
 
 

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