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Old 04-11-2015, 09:27 AM   #1
Junior Member
Join Date: Apr 2015
Posts: 2
Coachmen Concord 300TS UK based

Hello Folks

We have a Coachmen Concord, from new, since 2008. It's a great RV for the smaller roads and campsites in Europe!

However we now have a problem which I hope someone could suggest a solution to or at least where to start looking. please:
Furnace, fridge control pannel and aircon are not working.
Furnace and fridge share a common fuse which is good with 12v on appliance side, all good.
Wired separately through a fuse and switch direct to the battery, then both fridge and furnace work ok.
I'm sure aircon would but I'm not waving 230v about in a field. We're on a campsite in Spain at the moment.
There is no voltage anywhere on the "Duo-Therm" control, which is the main control for the furnace and aircon.

Any clues as to where to start looking? It's still rather cool here at the moment so I had to make the heating work on a temp basis or get a divorce!

Whilst I have the handbooks and wiring diags for the individual items, fridge, furnace etc, I do not have a whole RV wiring diag, which at this point would be really useful. Does such a thing exist? The wiring layout under our bed is nearly identical to a plate full of spaghetti

Look forward to hearing from someone



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Old 04-11-2015, 04:54 PM   #2
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Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 15,606
Welcome to iRV2 , from WAY across the pond, and then some.
If you've by-passed wiring and things operate then your stuck with tracing the wires to find an open circuit, and I'm sorry but I can't help with the wiring harness route or location of any connectors you may have.
May be quicker and easier to run new wire.
As I tell anyone with wiring issues like yours , sometimes you have to be lucky to find the problem.
So best of Luck to you.
Hope some one with good advice chimes in soon.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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