Leisure battery issue

Discussion in 'Hobby' started by Douglas1, Oct 10, 2016.

  1. Douglas1

    Douglas1

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    Can anyone help on this.I have a Hobby Toskana 750,I use the inverter now and then,I'm aways cautious of draining my 2 leisure batteries, so just limited use now and then.I do have 120w solar panel as well which keeps them topped up.
    Today I used a 900w hairdryer,I switched the 2k inverter on and I also switched the engine on,everything was fine until i switched to full power on the hairdryer,the volt reading went from 12.7 down to 0.1 and it cut off.
    A volt meter shows both engine and alternator are charging and working fine and give a reading of 13.5.But the engine battery has stopped charging the leisure batteries, I've checked the fuses under the drivers seat,all are ok. There seems to be no power at all to the leisure batteries from the alternator on engine startup.
    I've hooked up to mains and all batteries charge with symbol on panel showing this.We do a lot of wild camping so if anyone has any thoughts on this,I'd appreciate it.
    Both leisure batteries and engine battery are fairly new and do hold their charge.Is there a fuse or something stopping the engine battery charging the leisure batteries?
     
  2. Speve

    Speve Funster

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    Sounds like an inline fuse between alternator and batteries somewhere does your starter battery still charge? There may be a separate cable connecting alternator to leisure ?
     
  3. Boringfrog

    Boringfrog Funster

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    As I said on FB, pretty sure there is a 50amp fuse. Mine is right next to the leisure battery. :)
     
  4. Douglas1

    Douglas1

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    Yes but we're, I was hoping someone had the same issue and could pin point were to look.
     
  5. Speve

    Speve Funster

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    M
    we have that as well
     
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  6. Douglas1

    Douglas1

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    There are two 50 amp fuses next to the leisure batteries which are fine.
     
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  7. Speve

    Speve Funster

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    I think I've read in a previous thread that perhaps you need to reset the control panel I'm notsurehow you would go about that though.
     
  8. Douglas1

    Douglas1

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    Thanks, that's worth a try.Back to the manual.
     
  9. Douglas1

    Douglas1

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    Anyone no about resetting the control panel?
     
  10. Speve

    Speve Funster

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  11. andy63

    andy63 Funster

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    I don't know your vehicle but I'd be surprised if there wasn't a relay involved in that circuit. . Mine...a chausson has a relay that connects engine and leisure batteries when the engine is running..so could be a relay fault...if it isn't a fuse..
    Andy.
     
  12. Douglas1

    Douglas1

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    Thanks Andy.
     
  13. tonyidle

    tonyidle Funster

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    The leisure batteries won't drop to 0.1v just because the alternator stops charging no matter what load you place on them. Are the hab electrics working?
     
  14. Douglas1

    Douglas1

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    It's engine battery on the panel which reads 0.1 volts.
     
  15. Douglas1

    Douglas1

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    The only thing not working is the outside step.This has to be operated with the switch,were before it would go up automatically as soon as the engine started.
     
  16. tonyidle

    tonyidle Funster

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    OK. So does the voltage across the leisure battery increase when the engine is running and does the fridge work on 12v?
     
  17. Douglas1

    Douglas1

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    No to both Tony.
     
  18. mike mcglynn

    mike mcglynn Funster Life Member

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    I had a similar issue it was the fridge and step relay fuse next to the engine battery its the 12v supply to the hab side on an older Autotrail maybe yours is the same .
     
  19. karl c

    karl c Funster

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    sounds like you my have overloaded the alternator, If your not getting a charge + the two 50 AMP fuses are ok.
    If your with the AA or RAC get them to check out your alternator.
     
  20. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    It will be the fuse at the engine battery end of the circuit.

    D.
     
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