Dometic 3 in 1 caravan fridge

Submitted: Sunday, Sep 23, 2012 at 11:00
ThreadID: 98188 Views:2914 Replies:2 FollowUps:4
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Our Dometic 3 way fridge has decided it will only work on gas. It does not work on 12 volt or 240 volt.
There doesn't seem to be a dedicated fuse for a fridge in our Windsor van now 5 years old.
Anyone had the same roblem and been able to fix it?
Many thanks
PeterM
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Reply By: Notso - Sunday, Sep 23, 2012 at 11:39

Sunday, Sep 23, 2012 at 11:39
Have to ask a silly question, but has the plug been knocked out of the 240 volt socket? Happened to me once. It does seem odd that both 12 and 240 have gone but it's possible that one of them blew and took the other with it.

Have you checked the 12 volt supply to the fridge? Does it use a piezo igniter or 12 volt power for the gas?
AnswerID: 495465

Follow Up By: Peter M (QL - Sunday, Sep 23, 2012 at 16:12

Sunday, Sep 23, 2012 at 16:12
Both 240 & 12 volt plugs were loose.
I will know in the morning if that was the problem. As there isn't a light in the fridge to show that the power is working so I will have to rely on what the freezer compartment shows.
Many thanks to you both
PeterM
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FollowupID: 771101

Follow Up By: Peter M (QL - Monday, Sep 24, 2012 at 09:21

Monday, Sep 24, 2012 at 09:21
Checked frig. It is now working on 240 Volt.
Why didn't I think to check plugs? Stupid (who knows)? I had a friend check the power at back of frig with a volt meter thingi and he said power was getting to the frig. But maybe he knows as much about electricity and battery power as I do. The word ZERO comes to mind.
Once again thank you all
Regards
Peter M
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Follow Up By: Notso - Monday, Sep 24, 2012 at 09:39

Monday, Sep 24, 2012 at 09:39
So now a couple of things should be chec ked.

1 Check the voltage at the back of the fridge when the Fridge is not being used on 12 volts.

The voltage should read approx the same as the battery voltage. around 12.8 to 13.

2. Check the voltage when the fridge is turned on to 12 volts.

The voltage should read around 11.5 or more. If it doesn't then there is too much resistance somewhere in the 12 volt circuit.

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FollowupID: 771135

Follow Up By: Notso - Monday, Sep 24, 2012 at 09:52

Monday, Sep 24, 2012 at 09:52
I should have also said that if the two voltage measurements made above are identical, it means that the 12 volt element is not drawing any power and could be blown, or a wire disconnected somewhere.
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Reply By: Member - bbuzz (NSW) - Sunday, Sep 23, 2012 at 13:31

Sunday, Sep 23, 2012 at 13:31
Hi,
My Windsor did this at the beginning of the year. The guy in Devonport fixed it quite quickly if not cheaply! $500!!!
There is a 240v thermostat and some other gizmo that failed.

I looked up the phone book and looked for Dometic listings in the Fridge section, I think. Anyway, there were adds with caravan fridges enbtries, but in Tas you take what you can find.

Look around and ask the questions. You will find someone.
As an aside, my 3 way 240v also failed six months later, but it cost $180.

Bill
Bill B

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AnswerID: 495474

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