Leisure Battery Problem

I dont know too much about this sort of thing but I had a caravan that done a similar thing and it turned out to be the fridge was jumping on to the battery and when you turned something else on it tripped because the fridge was taking the power to run and the battery was not up to it.
 
Unless a fridge is compressor it won't run off the leisure battery - unless it has been wired incorrectly. If you have a compressor fridge it will run off the battery, but an absorption fridge takes 10 Amps so they are never wired by a professional converter company direct to the LB. They would only work with the engine running.
 
SOLVED!!!!!!!!! (I think)

Firstly, Thank you everyone for your help on this journey, and I’m sorry if I’ve been stupid and wasted time.
I’ve discovered a plastic lever (see photo), it has no markings on it, and does not feature in any of the manuals or documentation I have. Anyway I decided to give it a press - and hey it moved 45 degrees and WOW problem solved.

My thoughts are that it’s some sort of LB isolator that had tripped at some stage (maybe when I changed the LB). As a result when ever I discounted the EHU last week the hab electrics were actually running off the engine battery, and not the LB as I had assumed. It then would have cut out to protect the engine battery (Maybe the engine battery was one that needs replacing

Does this seem plausible? Has anyone come across a device like this, and what’s it’s purpose?

Again many thanks for your help.
 

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Harrythehedgeho said:
SOLVED!!!!!!!!! (I think)

Firstly, Thank you everyone for your help on this journey, and I’m sorry if I’ve been stupid and wasted time.
I’ve discovered a plastic lever (see photo), it has no markings on it, and does not feature in any of the manuals or documentation I have. Anyway I decided to give it a press - and hey it moved 45 degrees and WOW problem solved.

My thoughts are that it’s some sort of LB isolator that had tripped at some stage (maybe when I changed the LB). As a result when ever I discounted the EHU last week the hab electrics were actually running off the engine battery, and not the LB as I had assumed. It then would have cut out to protect the engine battery (Maybe the engine battery was one that needs replacing

Does this seem plausible? Has anyone come across a device like this, and what’s it’s purpose?

Again many thanks for your help.
Click to expand...
Bog standard battery isolator switch...
Often used on vehicles to prevent battery drain from parisitic drains or to isolate batteries for maintainance works.

Glad you're sorted
 
AS above, standard thumb isolator, thats what I have to connect my fridge inverter.
Must have got hit with something as you have to push in then turn, or some service twit did it.
 
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