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 Topic: 12v fridge keeps turning off in car
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01/8/2020 at 12:46pm
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I have the Waeco CF25, got that back in 2008, and it has been used in the car for our 1,100 mile trip to Frejus most years, the unit has worked fine in the car, even when left plugged in over night, as on the VW Golf I was able to make the 12v cigarette outlet keep permanently on, simple case of moving the fuse to another slot in the fuse box.
Maybe you need to set the fridge battery protection to Low cut out is 10.5 v and comes back on at 11.5 so unless the car battery is very bad you should be OK.
On the Med setting cut out is 11v and comes back at 12v if your DC supply is regulated to 12v that will be what is preventing the fridge from coming back on, as on start up the compressor may cause a slight voltage drop.
I have used the Waeco in the cars listed below, with the protection always set at Low, same as when I have it connected to the Waeco mains adapter, although Waeco do advise to set to High for in car use, but if your in car DC supply goes of when the ignition is of you can ignore this.
VW Golfs, Mk5/6/7 up to 17plate all diesel.
Mazda 3 (16 plate) diesel rubbish car btw
BMW one series 18 plate petrol.
BMW one series shadow 19 plate petrol.
Ford Kuga 19 plate petrol.
Ford Focus 19 plate diesel.
Citroen Cactus C4 19 plate diesel.
Renault Capture 19 plate petrol (current car) for now !
Post last edited on 01/08/2020 12:54:48
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01/8/2020 at 1:23pm
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Hi Marg6, yes i am aware it it should not run continuously, the issue i am speaking of is not that the fridge doesnt switch off when it reaches tempreture, its that the fridge switches off before it reaches tempreture due to voltage drops at the cigerette lighter.
Francis, thanks, i was under the impression that the low setting should not be used unless on mains or a leisure battery. My cigerette lighter does switch off when ignition is off. Thanks for sharing your experience, good to know others are setting to low, i had already moved from high to medium, I will try low now. Maybe that 0.5v cutt off will make the difference! Was a bit baffled at the point of a 12v fridge with a cigerette lighter, if it didnt work in a car!
Interested in what others have done as well, please share your work arounds!
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01/8/2020 at 1:41pm
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Yep, well as your Nissan, cut’s of the DC when the ignition is of, that will be fine and should sort the issue for you with the fridge set to Low instead of Med.
To be fair Waeco stating that the fridge should be set to low for use with a leisure battery is a little misleading as running a leisure battery down to 10.5v is a good way to ruin it, 12.06v is really the lowest that you should let a leisure battery go to, so Waeco should be advising the Hi setting unless you are using a LiFeP04 leisure battery, in that scenario Low would be safe.
Also it will save you switching the fridge from Med to Low when you have it on the mains supply adapter, so a win win all round.
Edit = re portable battery, a 15Ah LiFeP04 12v Battery would keep your Waeco going for about 30 hours, battery cost would be around £200 something that I have been looking into and the battery would only weigh around 3kg.
Just a case of fast charging it each day, which take less than an hour, and away you go again, and probably still get around 4000 cycles.
Something like the “Motocaddy LitePower Lithium Universal Battery” £189 including charger, with free delivery.
Post last edited on 01/08/2020 14:10:26
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