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Aux heater stopped working overnight

Mart123blue

Mart123blue

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Camped in Seaford overnight, went to bed in a storm and woke up to lovely day but aux heater has stopped working after keeping me toasty all night.

Having read through some posts I think my problem could be low voltage, I attach some photos. The leisure battery was flat on Friday when I left Hampshire but fully charged by the time I arrived. Everything has worked fine since then until this morning.

The control panel seems to switch fridge off in an effort to start aux heater and it seems to be drawing a lot of amps also hopefully shown.

If it is low voltage I do not understand how this occurring unless the battery is faulty - The van is 18 months old.

Thanks in advance for your help, I'm a Civil Engineer and useless with electrics.

Cheers M

20191027_074000.jpg

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Loz

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Yes, flat batteries. The drive there bulked up the batteries but they weren’t full, full.
the 15a start up current from the heater is just dragging the voltage down below the cut off point.
run the engine for a bit and it will fire up.

also, don’t let the leisure batteries get below 10.6v for too long as this will kill them.
if you can’t hook it up at home to keep them charged consider a small solar panel to keep them topped up and ready for a trip.
 
Mart123blue

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Thanks bud, I've got the engine running now and everything working fine.
The irony is, I have hook up available but like the self sufficiency of using the batteries.

Thanks again, M
 
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Mart123blue

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Thanks, heading out now, I'll have a look this evening. I've always had a sneaky feeling that something isn't quite right...
 
WelshGas

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Thanks, heading out now, I'll have a look this evening. I've always had a sneaky feeling that something isn't quite right...
Your right there. Was your ehicle made to order or ec-demo?
 
Mart123blue

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It was pre reg, but sat around for ages due to emissions issue. It had 17 miles on the clock when I received it.

Thanks for posting during semi final, that's dedication...
 
Borris

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Apart from battery condition, there are other reasons why it would stop. I believe that if the fuel level is low it will cut out at a predetermined point to stop you from emptying the tank and becoming stranded. Also, if the preset internal temperature is reached it will cut out.
 
WelshGas

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It was pre reg, but sat around for ages due to emissions issue. It had 17 miles on the clock when I received it.

Thanks for posting during semi final, that's dedication...
I think, if the Leisure Batteries were tested properly It would be found that they had been flattened and damaged during storage. They should be replaced.
 
Mart123blue

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Cheers Borris, I think the issue is electrical I've got loads of fuel and the van was cold. As soon as I started the van it fired up fine. I'll check the fuse this evening.

If there is no issue with the fuse WelshGas is it a matter of booking it into the dealer to get the batteries checked?
 
hotel california

hotel california

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If you arrived with 100% showing on the panel and after one night with fridge and aux.heater on showing 60% , or the battery's are damaged (running on only one also possible ) or you must have run looots other electric things and set the fridge and heater on max setting .
60% in my 7y old Cali takes at least 3days before showing .
 
Loz

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10.8 v is 0% not 60%, I think the control unit is out of calibration. needs a few cycles to catch up.
12v-AGM Battery-State-Of-Charge.jpg
 
Mart123blue

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F me I'm confused. Just searched for leisure battery fuse and cannot work it out. I thought I'd be opening a fuse box and using the little tongs to pull a standard fuse out... can someone point me to an idiots guide or do I need an auto electrician?

HC I arrived on Fri night, only spent evenings in the van - mother in law lives 2 miles away. Only kit used is fridge on 4 and radio for a couple of hours a night, plus mobile phone charger and aux heater on 2 overnight. Came back to van tonight, battery on 20% so connected hook up...
 
WelshGas

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F me I'm confused. Just searched for leisure battery fuse and cannot work it out. I thought I'd be opening a fuse box and using the little tongs to pull a standard fuse out... can someone point me to an idiots guide or do I need an auto electrician?

HC I arrived on Fri night, only spent evenings in the van - mother in law lives 2 miles away. Only kit used is fridge on 4 and radio for a couple of hours a night, plus mobile phone charger and aux heater on 2 overnight. Came back to van tonight, battery on 20% so connected hook up...
Rear Leisure Battery, under rear wardrobe. On the +tve Pole there is a white cube fuse. On my vehicle it is 50 amps but I believe it might have been upgraded on the T6 to 75 amps.
 
hotel california

hotel california

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F me I'm confused. Just searched for leisure battery fuse and cannot work it out. I thought I'd be opening a fuse box and using the little tongs to pull a standard fuse out... can someone point me to an idiots guide or do I need an auto electrician?

HC I arrived on Fri night, only spent evenings in the van - mother in law lives 2 miles away. Only kit used is fridge on 4 and radio for a couple of hours a night, plus mobile phone charger and aux heater on 2 overnight. Came back to van tonight, battery on 20% so connected hook up...
With only that power usage you should easy do 3-4 nights before things should shut of .
 
Mart123blue

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Thanks everyone, do I get to the fuse by sticking my head in the bottom of the wardrobe, or via the boot?
 
WelshGas

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Thanks everyone, do I get to the fuse by sticking my head in the bottom of the wardrobe, or via the boot?
Open the tailgate. L hand side there is a hatch. Remove hatch and you will see 2nd Leisure Battery. Slide battery out by removing clamp and bolt and use a paint scraper or nife to lift battery over lip. The ccables are long enough to do this without disconnecting them. Cube fuse on +tve. Be aware +tve still live if disconnected as it is connected to front Leisure Battery.
 
Mart123blue

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Ok thanks, I've opened hatch and need a socket to remove clamp. I'll sort when I get home.
 
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