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07-25-2014, 07:11 AM
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#1
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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Dometic fridge not cooling
I know I should've searched, but I'm on my phone and the app crashes every time I try to search...
My 15 month old dometic fridge in my sabre 34tbok suddenly stopped cooling as well as it had. Im at home, plugged into 30 amp so usually leave it on electric. I switched to gas and am getting the same result. I'm wondering if I need to add fans in the outer bay add so many have? The slide (temp adj) is all the way up and it seems cooler in the mornings, but the freezer is around 20 when I get off work and that makes the fridge about 60.
Any suggestions. We've camped in hotter weather than this but never had fridge problems before?
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Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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07-25-2014, 07:29 AM
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#2
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Check to see where the probe is in the slider.
Sometimes it will slide down to the bottom of the slider when it should be near the top.
"sabre owners united!"
turbs
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07-25-2014, 07:43 AM
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#3
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Site Team
Join Date: Nov 2011
Posts: 4,499
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Things I've done trying to fix same issue. Added fans behind the frig to pull the heat out. Put fan in frig. Added roof flashing behind frig to direct heat to the upper vent. Replaced thermistor with "snip the tip" dial. Still not as cold as my previous non-slideout frigs.
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2018 Forester 3011 DS
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07-25-2014, 09:54 AM
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#4
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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Probe is good, I've adjusted it up as far as possible. I think I'll find some computer fans and wire up in the chimney exhaust.
__________________
Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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07-25-2014, 10:48 AM
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#5
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Site Team
Join Date: Nov 2011
Posts: 4,499
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Quote:
Originally Posted by jtstromsburg
Probe is good, I've adjusted it up as far as possible. I think I'll find some computer fans and wire up in the chimney exhaust.
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Several here report that made a big difference for them. However, in my slide mounted frig, I didn't notice any difference. The only thing that was noticable was the new thermistor at Product Listings for Snip The Tip. Then find your model in the list. Under $30 if I remember correctly.
Also, I watched a video on You-Tube where a lady emphasized the importance of the drain tube sticking out the top of the vent cover with a bow in it to create a "p-trap" type condition which holds some water in the drain and prevents heat from entering the drain. Don't know how important it is but it did make sense.
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2018 Forester 3011 DS
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07-25-2014, 01:30 PM
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#6
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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The weird part is that for the 15 months of ownership, in temps between 10 & 100f, it had always worked great. Are the thermistors known to fail? I need to do some reading. I'm hoping a good bounce down the road will help as we are heading out for a week either Sunday or Monday for one last extended hurrah before school starts
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Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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07-25-2014, 02:08 PM
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#7
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Site Team
Join Date: Nov 2011
Posts: 4,499
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Yeah. Better to be lucky than good, so I hear.
Its been mentioned that moisture can get inside the thermistor wire and wreak havoc.
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2018 Forester 3011 DS
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07-26-2014, 03:41 PM
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#8
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Senior Member
Join Date: May 2013
Location: Houma
Posts: 208
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http://youtu.be/dsH1CRoT7v8
Hope this helps a little at least something to check.
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07-26-2014, 03:49 PM
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#9
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Senior Member
Join Date: May 2013
Location: Houma
Posts: 208
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http://youtu.be/txqAHaTpexc
This one also might help.
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07-26-2014, 03:50 PM
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#10
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Senior Member
Join Date: May 2013
Location: Houma
Posts: 208
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http://youtu.be/oIJYx5j2nPQ
This explains the whole theory.
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07-26-2014, 04:24 PM
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#11
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Quote:
Originally Posted by jtstromsburg
The weird part is that for the 15 months of ownership, in temps between 10 & 100f, it had always worked great. Are the thermistors known to fail? I need to do some reading. I'm hoping a good bounce down the road will help as we are heading out for a week either Sunday or Monday for one last extended hurrah before school starts
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One way to find out. Remove and tape leads to AC heater in chimney, apply a shore supply AC directly to stack AC heater. Apply power to temp connections, in 4-6 hours you'll have max cooling this will bypass all controls and board. If not cool could be cooling unit bad.
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07-26-2014, 08:51 PM
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#12
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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Thanks Vince. Another thing... Freezer is staying at 10 or colder, but fridge is warm?
__________________
Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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07-26-2014, 10:02 PM
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#13
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Same answer, freeze and frog are different coils in back .
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07-27-2014, 08:47 AM
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#14
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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So I hot wired the heater element over night and got the freezer to-20 & the refer was below 32 (cup of water frozen, but still clear). Snip the tip is ordered. I guess I'll hope for the best this week while camping and hot wire it if/as needed. Thanks for all the help. The YouTube videos were very informative
__________________
Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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07-27-2014, 12:01 PM
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#15
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Narrows it to thermostat or control board?
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07-27-2014, 12:46 PM
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#16
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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Yup. Better call dometic, but want to get through a week of camping first. Another time I'm grateful for the outdoor kitchen!
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Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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