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Broken Heat Pump!


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#1 JDBrian OFFLINE  

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Posted November 22, 2013 - 06:01 PM

One of our Split type heat pumps quit working. it just refused to start and flashed some indicator leds on the display. I decided to have a look at the connections on the circuit board on the outside unit as this has been a source of problems in some of these units. I found that this heat pump suffered a similar fate to many a GT that is left outside. MICE!!  :mad2:  :mad2:

  They got in through a tiny hole near the refrigeration lines and built a nest smack on top of the circuit board. It's quite a mess. There are wires and components chewed through and corrosion and filth all over the board. I'm going to try to fix it but it's a bit of a long shot. I do like a challenge though.

Here's some photos. The last picture is after washing the board with warm water. There is still a lot of crap stuck to it. Disposable gloves and a mask were mandatory! I've got it cleaned up now and there are a half dozen or so resistors and ceramic capacitors that need replacement. That is just what I can see at a glance. Fortunately the board is labelled with all the part values. The nest is made almost entirely of dog hair from our 2 standard poodles. My wife scatters it at the edges of the yard in an attempt to keep the deer away. 

 

DSCF9443.jpg  DSCF9440.jpg

 

DSCF9447.jpg  DSCF9449.jpg


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#2 Alc ONLINE  

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Posted November 22, 2013 - 06:21 PM

Sorry to hear such of mess , I hope your post reminds others of the problem mice can do .


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#3 KennyP OFFLINE  

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Posted November 22, 2013 - 06:23 PM

Busy little buggers, aren't they?


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#4 Texas Deere and Horse OFFLINE  

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Posted November 22, 2013 - 06:27 PM

Wow Brian, that's quite a mess you have there. Hope you can repair the CB and get it up and running as you may need it shortly.


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#5 Jlaws OFFLINE  

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Posted November 22, 2013 - 07:42 PM

I had mice do something similar to my 2004 Silverado a couple of years ago . Seems that there was a small ventilation hole in the side of the fusebox under the hood and a mouse thought that be a good spot to build a nest .

I knew something was up when I was mowing the grass and I kept smelling a odor that smelled like wiring getting hot whenever I was near my truck .

Thank goodness my insurance covered the repairs . My local Chevrolet dealership had to put in a new fusebox and main wiring harness and I seen the bill that was $2500 . It only set me back the deductible which I think was $200 .  

 

I also have problems with mice building nests inside the Kohler sheet metal of my cubs usually around this time of year .

I usually just put a couple of moth balls inside the engine compartment . Mice supposedly hate the smell of moth balls and I've been told dryer sheets also . So far it seems to work .


Edited by Jlaws, November 22, 2013 - 07:43 PM.

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#6 JDBrian OFFLINE  

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Posted November 22, 2013 - 08:17 PM

I'll have to check the other heat pump and make sure there hasn't been any unwelcome visitors. I wonder how long they were in there? We used that machine quite a bit this summer for AC and then didn't use it much for a couple of months until heating season started. I was into the HVAC supplier today to pick up a HRV fan motor and they said the boards for those machines are available and not too expensive, so if it doesn't work I'll pick up a new board for it. At least I can do the work myself and save on a service call. 


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#7 superaben OFFLINE  

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Posted November 22, 2013 - 08:23 PM

The best solution for mice is a puddy tat.

 

That must be why the mod lounge stays mouse free.

 

Ben W.


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#8 Jlaws OFFLINE  

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Posted November 22, 2013 - 08:23 PM

Brian , its unbelievable how fast those mice can build a nest ...errr condo in your case  . My truck which is a daily driver had only sat for a couple of days when I developed issues .


Edited by Jlaws, November 22, 2013 - 08:24 PM.

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#9 HDWildBill OFFLINE  

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Posted November 22, 2013 - 09:11 PM

It sure looks like you have a mess on your hands Brian.  The moth balls do work, I use them in the shed where I keep one of my tractors.  I used to have to constently pull the tin's and clean out around the fly wheel.  Since I started using the moth balls I haven't had a problem.  The only thing is you have to put new moth balls in every few months, plus it is really hard getting the moths to let you have their balls,


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#10 Jlaws OFFLINE  

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Posted November 22, 2013 - 09:44 PM

Bill , my neighbor who is also named Bill , walked into my garage a few weeks ago and said he smelled moth balls .

I asked him , How do you get there little legs apart ?........LOL


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#11 HDWildBill OFFLINE  

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Posted November 22, 2013 - 11:23 PM

I asked him , How do you get there little legs apart ?........LOL

 

Very carefully.


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#12 JDBrian OFFLINE  

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Posted November 23, 2013 - 05:20 AM

Bill , my neighbor who is also named Bill , walked into my garage a few weeks ago and said he smelled moth balls .

I asked him , How do you get there little legs apart ?........LOL

 

 

It sure looks like you have a mess on your hands Brian.  The moth balls do work, I use them in the shed where I keep one of my tractors.  I used to have to constently pull the tin's and clean out around the fly wheel.  Since I started using the moth balls I haven't had a problem.  The only thing is you have to put new moth balls in every few months, plus it is really hard getting the moths to let you have their balls,

 

LMAO!!!  :rolling:  :rolling:


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#13 bgkid2966 OFFLINE  

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Posted November 23, 2013 - 07:55 AM

If you know where they came in you can pack the opening with coarse steel wool. We have it packed around where all pipes come into our house.

 

 

 

Geno


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#14 JDBrian OFFLINE  

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Posted November 23, 2013 - 05:03 PM

At the church we had an infestation last fall. We trapped them and sealed the holes with cement or epoxy. No mice this year ...so far anyway! 



#15 TAHOE OFFLINE  

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Posted November 23, 2013 - 07:19 PM

I am constantly fighting mouse in my barn, they like the bags of animals feed. Guess I got enough other spots, they stay out of the tractors/motors.

 

Those mini splits are cool. Our AC that goes to our church has started installing them in our old wing of church as we upgrade, more efficient to just heat/cool rooms that are being used.






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