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Barrie James Posted on Mar 05, 2022
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Dometic B3000 Air Con has no power to it.

Just went to turn on our Air con unit and there seems to be no power running to the unit. The van is plugged into the mains and all other accessories in the van work fine. The remote is working and doing what it does but there are no lights on the main unit. No on/off light or anything else showing any sort of power. I have checked the trip switch which was fine and hadn't tripped and checked the fuses the only ones I found were 10 amp ones and they all seem okay.

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  • Brett Duxbury
    Brett Duxbury Mar 05, 2022

    Hi Barrie James, 10A fuses or cct breakers sounds like lights an air condition would draw more than 10 amps more like 15 Amps for power points .
    what vehicle make and model number for van ?

  • Barrie James
    Barrie James Mar 05, 2022

    Hi Brett, That's what I thought but I can't locate any other fuses. The caravan is a 2011 Crusader Inspiration.

  • Barrie James
    Barrie James Mar 06, 2022

    Looking further into the unit, it seems to be hard wired into the van. I did locate a 20amp fuse inline from the battery but unsure if it has anything to do with the aircon, but it seems okay anyway.

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David Spradling

David Spradling

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  • Dometic Master 13,520 Answers
  • Posted on Mar 05, 2022
David Spradling
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If power to unit and thermostat is calling for action then check start up capacitors

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