Lunar Champ H591 electrics - Motorhome Forums, Motorhome Discussion, Motorhome Chat

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post #1 of 15 (permalink) Old 26-04-2018, 11:13 Thread Starter
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Unhappy Lunar Champ H591 electrics

Help!

I've just purchased a Lunar Champ H591 motorhome, and have a few problems with the electrics
Does anyone have a copy of either a wiring diagram or the wiring scheme (i.e. where the wires run) for it please?

The fridge is not working, the toilet flush & indicator are not working, and the lighting circuits switched from the wall switches by the door and in the bedroom are not working. So I think it's the circuits on the 10A fuses which are faulty, even though they all have 12V at the fuses and the fuses are fine.

Everything was working perfectly, then I gave the motorhome a rather over enthusiastic wash on the outside around the top reversing light, which caused problems with the brakes lights, so water might have also leaked inside and got into the bedroom lights circuit, but I don't know where/how...

Also, I screwed on a little holder into the thin section of wall adjacent to the window by the hob.
I'm not sure if this hit any wires or not, as I don't know if any run down there...

Any ideas on what to do please?

Thanks
Helen
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post #2 of 15 (permalink) Old 26-04-2018, 12:15
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If you just bought it from a dealer I'd suggest that you get it back into them for them to fix it.

Graham

Which ever way you look at it, we are MUCH BETTER OFF in the EU than outside!


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post #3 of 15 (permalink) Old 26-04-2018, 12:58
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Sounds like you may have caused the problem, but it's back to the dealer to check, if you had screwed into a cable, you would need to either connect two wires or make and earth usually, either way for safeties sake get it checked Helen.
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post #4 of 15 (permalink) Old 26-04-2018, 16:51
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Is there any 12v item that IS working?

There's usually a rocker switch, maybe above the hab door, that turns off the 12v system - is it possible you switched that off inadvertently?

Jean
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post #5 of 15 (permalink) Old 26-04-2018, 19:58 Thread Starter
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Unfortunately, I bought it from a guy who isn't really a motorhome dealer - he normally sells Light Commercial and 4 wheel drives. I could tell he basically doesn't know much about the inside
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post #6 of 15 (permalink) Old 26-04-2018, 20:06 Thread Starter
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Yes, some of the 12V works - the Heater circuit, the water pump, the bathroom lights, the two spot lights in the lounge area and the two spot lights over the sink/hob.

So it seems to be what is termed the Lower wiring loom and Upper wiring loom. I'm not sure if the fridge indicator and ignition are part of these, or whether the fridge circuit has been affected too. The fridge gets a bit cold when plugged into the mains, but does not freeze int he freezer compartment.

I'm getting a low voltage at times on the light switches, anything from 1V to 4V, but not the 12V that should be there.

Any suggestions?
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post #7 of 15 (permalink) Old 26-04-2018, 20:25
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Quote:
Originally Posted by Helen&Max View Post
Unfortunately, I bought it from a guy who isn't really a motorhome dealer - he normally sells Light Commercial and 4 wheel drives. I could tell he basically doesn't know much about the inside
Notwithstanding that you still have rights under the Consumer Rights Act if he is a trader. See here for more info...
https://www.which.co.uk/consumer-rig...-are-my-rights

Also don't forget that if you paid even a small deposit using a CC you are covered under Section 75 provided your MH was under £30k. If it was more then you may still be able to claim for it but it gets more complicated. A good place to read up on this is here...
https://www.moneysavingexpert.com/sh...your-purchases

Personally I would be speaking to the place you bought it from in the first instance as they would certainly want to keep their good name and provided you are reasonable with them you may get somewhere...

Graham

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post #8 of 15 (permalink) Old 27-04-2018, 17:08 Thread Starter
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Yeah ha, I've found the problem - it's a lose connection on the ribbon cable somewhere. I moved it a bit to see if it fed downwards or upwards from the control panel and everything started to work again!
I still need to find out where the lose connection is, but at least I know it's not due to the screw in the wall damaging the cable, as the cable goes up into the ceiling.
dghr272 and dghr272 like this.
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post #9 of 15 (permalink) Old 27-04-2018, 17:31
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Well done Helen! You obviously know what you're doing! Hope you get it sorted soon.

It'll be a relief to know it wasn't your fault!!

Jean
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post #10 of 15 (permalink) Old 27-04-2018, 17:41
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