Fridge stopped working on electric (2 Viewers)

Nov 21, 2011
296
380
Rugeley
Funster No
18,969
MH
Autotrail Savanah
Exp
Since 2009
Away for the weekend in the van and the fridge has stopped working on electric, I have switched to gas and the alarms have stopped. Odd thing is all of the lights plus control panel is still working but the fridge alarms when you switch it to mains or 12v , I have checked the fuses and they seem OK,
.
Any ideas?
 

skylinersi

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Nov 9, 2016
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does the fridge light come on?
some fridges have a panel that has batteries in it...........

what make and model of fridge is it?

wish i could help but im sure someone else will be able to ?

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grumps147

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Jun 6, 2010
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Unusual to have a fridge that works on 12v withoutvthe engine running, a relay usually prevents that.
There have been a few descriptions on here where when power fell below a level capable of running the fridge then it switched to gas. You can still show mains electric as on, and many other things will work, but some fridges require a minimum power level. Many causes for this, but usually a heavy use locally on your site, such as lots using electric heaters of various kinds who would not normally.
 
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Rugeley Tim
Nov 21, 2011
296
380
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It is a domesic 3 way fridge freezer ( full size fridge) fitted in a Autotrail Savanah, it seems to be working OK on gas at the moment and I have full tanks so not worried about the beer warming up but I hate it when things don' work !!
 

skylinersi

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Nov 9, 2016
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im assumin the alarm indicates that it is not getting power from 12v or 240?, as previously mentioned, most fridges run of 12v when vehicle running, then on 240 if hook up present.

is there another fuse somewhere?

do you have the manual?, what model nu,mber is the fridge?

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Rugeley Tim
Nov 21, 2011
296
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I have checked all the fuses in the main boards and all appear OK not sure if there is an in line fuse somewhere behind the fridge, any ideas?
 
Feb 24, 2013
12,991
101,162
Bolsover, Derbyshire
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Hymer S800
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not long enough
have you definitely got mains power? does your controller show voltage? on charge battery would be over 13V

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Last edited:
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Rugeley Tim
Nov 21, 2011
296
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Since 2009
Checked all the boards and no idea what' wrong, have been here for several hours with the fridge working on mains but the alarm went off about an hour ago and it hasn't worked since that' why I thought I had blowed a fuse but having checked (several times) they all semi OK. Knowing my luck a terminal fault just before Christmas!!
 

Bluemooner

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Mar 30, 2012
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This happened to us today I thought it could be poor electric supply as half the site keeps tripping so switched fridge of went out put back on when we came back all fine now but I remembered I hadn’t put my fridge vent covers on

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Rugeley Tim
Nov 21, 2011
296
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The model number is a DOMETIC RMD85X5 have looked at the trouble shooting page but still no idea, only thing I can think of is a lack of power through the hook up ( shared block with 4 other pitches) or a blown circuit. Thanks for all your help so far, as usual Funster are always there to provide help and advice. It is currently minus 3 outside but the heating is working on gas and leccy and we are warm and cosy and the vino rouge is at a nice temperature so no need to send out the SOS just yet lol.
 

grumps147

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Jun 6, 2010
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You say your heating is working on gas and leccy. Turn the leccy heating off and check if the fridge comes on. Make sure the kettle is off at the same time, even if low wattage.

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Rugeley Tim
Nov 21, 2011
296
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Autotrail Savanah
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Since 2009
Tried turning off the heating and switching on the fridge, been out and fitted the vents (for the first time ever) but still not working still confused that the control panel and lights are working but alarming on mains, will try unhooking and starting the engine to check the 12v in the morning.
 

PeteH

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Nov 22, 2007
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These are usually quite tolerant of voltage variation, largely because it only heats an element to make the gasses "work". However much of the control electronics can be intolerant and will cut out. If it persists check the Voltage at the connection to the fridge. BTW the DOMETIC RMD85X5 does not appear in the Dometic Manual search?. RMD85 series. The elements have been know to fail.
 
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Rugeley Tim
Nov 21, 2011
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Guys after all the trials and tribulations the bloody thing has started working again, can only think that it is the fridge vents that have done the job. Having lived in Germany and done several very cold cold christmas markets across Europe I am really surprised but I can' think of anything else. Grateful for all your support and advice. Funster come up trumps once again XX

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Rugeley Tim
Nov 21, 2011
296
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Autotrail Savanah
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Since 2009
Blue mooner thanks for suggesting the vents, seems to have done the trick, we ar sat next to a lake with a very very cold wind blowing a hooly directly onto the fridge so can only think that was the problem.
 

DanielFord

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Jun 1, 2013
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Site power supplies are hideously unreliable. I have a device that I plug into one of the sockets to ensure correct power supply before I start looking for issues.
Our fridge started flicking over to gas this year on a site In Italy. I plugged in the device, discovered that we were only getting 200v, thus the fridge 'thought' there was a supply issue and went to gas!
Many things can affect the fridge, but glad it's all working now.

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Bluemooner

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Blue mooner thanks for suggesting the vents, seems to have done the trick, we ar sat next to a lake with a very very cold wind blowing a hooly directly onto the fridge so can only think that was the problem.
Fridge just gone of again think I will put vents on in the morning
 

Northernraider

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Unusual to have a fridge that works on 12v withoutvthe engine running, a relay usually prevents that.
There have been a few descriptions on here where when power fell below a level capable of running the fridge then it switched to gas. You can still show mains electric as on, and many other things will work, but some fridges require a minimum power level. Many causes for this, but usually a heavy use locally on your site, such as lots using electric heaters of various kinds who would not normally.
Mine works on 12v when engine isn't running

I have to make a point of not leaving it on auto as it seems to stay on 12v instead of switching to gas.
 

PeteH

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Nov 22, 2007
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Blue mooner thanks for suggesting the vents, seems to have done the trick, we ar sat next to a lake with a very very cold wind blowing a hooly directly onto the fridge so can only think that was the problem.
Mine works on 12v when engine isn't running

That would suggest that the Heating element was having to work too hard, Introducing the Vent covers reduces the extra cooling effect of the wind.

I have to make a point of not leaving it on auto as it seems to stay on 12v instead of switching to gas.

I suggest you have got an issue with the Fridge control unit, it should automatically change over when supply is available usually, Prioritised as 240/Gas/12V (only when the engine is running). Test the 12V supply at the frig; start the Engine and see if it increases the voltage, that indicates the "relay" (nowadays solid state) is working.

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PeteH

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Nov 22, 2007
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I leave Mine on "Auto". It then selects the supply, in the order 240/Gas/12V. The 12v supply is normally just for when on the road and the Batteries are being charged. Must admit I have never tried to run on 12V when not charging?. I will have to look into it, as it`s not something I would recommend. Still you learn something new every day!(y)

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Northernraider

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Jul 30, 2017
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I leave Mine on "Auto". It then selects the supply, in the order 240/Gas/12V. The 12v supply is normally just for when on the road and the Batteries are being charged. Must admit I have never tried to run on 12V when not charging?. I will have to look into it, as it`s not something I would recommend. Still you learn something new every day!(y)
That's when mine plays up as if I have it on auto ...it should flick from 12v to gas after 15 minutes but it doesn't it tends to just stay on 12v and eats the batteries.
So I stopped using auto and just flick it over myself.
Although lately I've stopped putting it on 12v when driving as it is often cold enough to last till I'm stopped and it's back on gas
 

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