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Old 08-17-2008, 09:35 AM   #41
wingnut60
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fridge problem

Cindy,

Your situation sounds exactly like ours--some cooling, but not enough to keep food safe...I can tell you that CW talked to Dometic, with the results of the diagnostic tests (bypassed all controls and ran fridge on max cooling--went to 20 in the food side) Dometic says 2 fans needed to run air by cooling fins in back. Factory fan had blown fuse, not working at all. Based on all this, CW ordered the thermostat switch (one that works at consideralby lower ambient temps) that controls the factory fan, and a 2nd fan to run at the same time. Still waiting on the parts to come in--which is ok, since I am trying to have concrete slab poured at the house where the trailer sits, and this solves where to put the trailer while that project completes.

When I tried disconnecting the thermister, results were all over the place--good cooling, then back to poor. So I had to give up on doing it myself.

I am lucky that I am only using the trailer for vacations, not full-time.

Let us know what story Dometic gives you and we'll compare notes.

Joe
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Old 08-17-2008, 10:26 AM   #42
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fridge

i don't think i can blame the fans...there are two fans there and the outside temps are not hot enough to trigger them anyway....but I am anxious to find out exactly what the problem is since it is not the thermister i hope they can tell me how to check the circuit board....I just don't trust the techs (i think I have said that before)...plus it's always tied up for days. At least not the technicians that we have run across here.
I do have an issue on the installation of ouir combo washer that CW has to address so it may end up ther anyway.
they have that lifetime installation guarantee..and the exhaust hose won't stay connected to the pipe because the pipe barely sticks out of the wall.
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Old 08-17-2008, 11:52 AM   #43
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fridge problems

Isn't the circuit board a 'plug in' deal? Pull all connectors and replace with new board? Can't look at mine right now, so don't know if above is correct--could be more complicated? but maybe its worth getting one anyway and replacing it?
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Old 08-17-2008, 12:48 PM   #44
jdwilson3
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Cooling Fans

The cooling fans on the back side of the fridge and not based on air temperature, they are based on the temperature of the fins they are in contact with. The themostat on the fins is a contact type, there is a 12V lead and two leads, one for each fan. When the temp reaches approx 130 degrees on the fin, the fans come on, pull air in the lower vent and out the top vent.

I have replaced both fans and one themostat.

If anyone needs the complete kit, I found the part numbers and will look them up. The assembly is called Dometic Power Vent Assembly. There is one with one fan, and the one we need is for two fans.
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Old 08-17-2008, 04:07 PM   #45
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Fridge problem

John,
Thanks, I could use the part numbers to check what Dometic sends to CW.
They also said they were sending the lower temp cut-on swith to run the fans. Guess we get all this done and turn it on to see what it does.
Joe
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Old 08-17-2008, 04:56 PM   #46
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fridge

that would be great if the circuit board was a plug in. I KNOW i could do that. and probably the fans too. I also would like those part numbers. I will go out and look at them again later and see if I can recognize what you are talking about.
temp is not dropping now with thermister disconnected....I supposed that is not a good sign....at least with the old one the temp dropped when i disconectewd it....oh oh better check the freezer and see if it is climbing too. damn
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Old 08-18-2008, 12:33 PM   #47
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fridge

well thermister unplugged...refer at 40 called dometic....they say we need new refer. went to shop....they know the thermister has been unplugged but they have to come out and put in thermometer and wait 24 hours and then check it. then order refer from L.A. one day delivery. then they take the rig into the shop and take oujt the back window and replace the refrigerator......i guess I am sutck here for at least another week. And I hate it here....sorry...I am slightoy hysterical...it doesn't matter that it is good news that is replaced under warranty...all that matters to me right now is that i am stuck...it will take me a while to calm down. m cyndy
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Old 08-18-2008, 04:20 PM   #48
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Fridge problem

Wow...talk about mixed emotions...bad news/good news. At least your situation will be resolved and you will have refrigeration again. Don't know yet where mine stands--no call from CW that parts have come in. I would love to get a new unit under my GS CSP warranty.

Through the window--you mean one of the bigger slide windows, or the big rear one?

Joel
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Old 08-18-2008, 07:47 PM   #49
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fridg

first they said they said the big rear one...lnow they think they can get it through the door.
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Old 08-19-2008, 12:51 PM   #50
jdwilson3
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Dometic part numbers

The Power Ventilator part number for the double door refridgerator is:

3108705.744 this includes two fans and two limit switches, only one limit switch is used on the fins above the fans. This also includes, but not needed when replacing the old fans brackets, screws, etc..

I found the information at: http://aaarv.net/power_ventilator_assy.htm
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Old 08-19-2008, 01:00 PM   #51
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fridge problem

Thanks much for the information. Will use it to check against what has been installed as the solution to my cooling problems.
CW says today it is fixed and cooling extremely well.

Joe
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Old 08-20-2008, 09:35 AM   #52
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refer

well tech tested unit after 24 hours and temp didn't drop....then check fastening the insulation on top of the unit solidly...didn't make any difference. this morning they are calling Dometic...we should hear in a couple of hours. If Dometic directs replacement (like they told us they would) then unit should arrive tomorrow but tech wouldn't commit to installing on Friday....grrr.
Wingnut...is your refer the side by side....I can't remember. They looked at the fans but I wasn't outside..DH says he didn't test them...I don't understa nd since he was going outside specifically to look at fans and got sidetracked by insulation. maybe he just needed to see that they were there.
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Old 08-20-2008, 10:30 AM   #53
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Cindy
Hope your fridge problem gets fixed (ours was - see On the Road Again).
You mention fridge replacement - the whole thing or just the cooling unit. They replaced our cooling unit rather than the complete fridge. Dometic was paying the cost, so it was their choice. They did remove the fridge from the unit for testing, but that was because the grey water tank was being worked on at the same time.
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Old 08-20-2008, 10:33 AM   #54
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refer

wel dometic is teling tech to perform 28 checks.....some I am sure we have already done and call them in 24 hours...he will be out here sometime today...so we sit and wait again....so if the thing checks out...all the fuses are fine...it runs the same on gas and electric...the thermister is new...the fans are fine....oh well no sense crying over spilled milk again. maybe by fall we will be able to leave here. the tech should have called dometic 3 days ago instead of today. cyndy
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Old 08-20-2008, 11:09 AM   #55
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Fridge problem

Cyndy,
My problems are tiny compared to yours, just because we aren't in the trailer except for trips.

My unit is the NDR1292 SxS. And it has been great since we bought the trailer Feb '07.

CW assures me the fridge is fixed, should be picking it up tomorrow.

Joe
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Old 08-21-2008, 09:27 AM   #56
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FRIDGE

woke up this morning and the fridge is 30 degrees. and we can hear it humming away. noticed it last night when i opened the door. the only change is that tech set fans to run constant yesterday afternoon.....but nothing happened until last night when we noticed the fridg running. I really hadn't noticed before that that was the noise that was missing. I can hardly wait for the tech to call this morning! i hope the puzzled is solved....we can go somewhere!
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Old 08-21-2008, 12:02 PM   #57
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fridge

tech is not coming out. i checked to see tht noise is definitely coming from the fans. but tech had also replugged in the thermister...so now I don't know what to think. Is it the fans or the thermister...I will fiddle with them both. temp control was set to 5 this morning so now it is set at 3 ...we shall see what that does before we fiddle with anything else. I know we can't leave fans running constantly. How do you adjust the thermostat on them?..or can I? Temps here are in the 70s.
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Old 08-21-2008, 02:31 PM   #58
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fridge

i have reread all your posts starting with mikey's post in June. Dometic is now saying they will send new cooling unit...but RDunk said that didn't solve his problem.
THis is the NDR 1292 sxs...the new thermister is plugged in ...fans are running constant...temp set at 3 ,temp inside is 30.
Tech is being a smart ass, when we question if maybe it is just a thermostat problem turning the fans on and off. We are trying to understand how this works.
Now they say they will call us when cooling unit comes in and we can deliver the rig to them.
I am afraid that we will go through all this and a new cooling unit will not solve it.
what do you think I should check???????
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EDGE CHIP,exhaust brake,ATS tranny, ATS turbo, AFE sir filter
ETC
2008 36TK3 ES3917/no granite
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Old 08-21-2008, 03:40 PM   #59
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Need a Thermostat as well

Before we had the new cooling unit installed, I never heard the fans run. When Al explained how to hot wire the fans, I mentioned that I'd never heard the sound.
Along with the new cooling unit, he sent a new fan thermostat. Our thermostat is located at the top on th cooling unit on the right side - remove top outside grill plate to see.
Just a thought
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Old 08-21-2008, 03:52 PM   #60
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fridge

we have given up. we will take the rig in next weds. and keep our fingers crossed .
they have us so tangled up now that we have no choice....this has been messed up for a month, our entire trip is ruined so I may as well face it.
One of these days I will be able to leave San Diego and never have to come back. For someone with itchy feet...this has been pure torture. Problems with the truck, problems with the trailer, Howard got sick....(but I am glad that he got sick here, he had excellent care at Sharp Hospital in Chula VIsta)...one thing after another.
THis refrigerator problem has taken more time than all the problems with all previous rigs comobined. I don't think I would choose Dometic again.
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