Can someone tell me how to work this please. We turned the knob and it flashes green but we have no idea why it wont work, any covers or anything we need to remove.??We arrived at our new van last night and lay chittering in the cold all night.
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If you have Dualtop (water and air), turn the mode selector knob fully anticlockwise for five seconds, the flashing will stop.
Then select a heating mode and everything will work fine.
Your boiler will have got below 6 degrees and the antifrost valve is dumping water!
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It sounds like you have an Airtop then!
The blinking led will be indicating an error code.
In the instruction manual, the error codes will be listed.
Its a case of reading the book I'm afraid! It will probably be something simple like low voltage. Many motorhome manufacturers, Chausson included, don't put sufficiently thick cable in the supply to these heaters. This results in low voltage faults even though your battery is fine.
You need to identify the error code first before you get carried away though.
Check this thread-
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As I previously posted, try switching the heater on whilst the engine is running. Once the heater has gone through the start up cycle it should run without problem.
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I hope this is not hijacking the thread too much, but I've got an Airtop 2000ST and was wondering if anyone knows...
...is the part of the heating cycle where the Webasto draws a lot of current, when it kicks in fully, the same every time or is it worst when starting from cold and then occurs less often as the heater (and 'van) gets warmer?
The reason I'm asking is that once the 'van gets nice and toasty eventually my Webasto switches off the heater and the fans slows right down, so it's just circulating the air. After a while the van cools down and it kicks off again. I'm wondering if at this stage it's hammering the battery as much as when I first switched it on.
If it is, I might as well switch it off for a while after the heater switches off and switch it back on when I get cold, rather than rely on the Webasto's thermostat. It'll save the battery getting drained by the fan just running and freezing my ankles!
Or am I inflicting more grief on the battery by switching the heater on and off?
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Newer diesel heaters are best left on ticking over. Ours will run for days with no problems.
You are correct in thinking its the startup cycle which hammers the battery. The glowplug is the culprit! The dosing pump and fans use very little power.
Leave the thing on Niel, it uses next to nothing once its gone through the startup cycle. The biggest pull is during the startup so its best done whilst the engine is running.
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I have pmd kelpbeds as suggested.
This is a photo of whats in the single seat. Under the passenger seat there is a battery which says 850 A and under the drivers seat there is a battery that says "Ford"
The webasto knob blinks 3 times slowly.
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How old is the van? It is unlikely that the manufacturer would have put the wrong gauge wire in and the heater, never worked, more likely that there is another fault.
Eddie
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Eddie what do you mean by beefing up the supply?
Thanks Sandra
Sarah,
Your 3 blinking lights are a low voltage problem. This isn't helped by the fact that you only have one leisure battery, another (in parallel) will help. However the issue then (at least this was the issue for me) is getting the current from the batteries to the heater. At the moment the wiring you have in, basically, is not thick enough to carry the amount of current that the heater requires. You would need to get some cable run from the positive of one of the leisure batteries to the fuse of the heater (cable needs to be as thick as your little finger approximately) These steps should cure your problem. Tim
Have been chatting to Sarah via PM.
( Hi Jon, hope you are good! You off skiing this year? Broke my shoulder last year snowboarding so giving it a miss this year as still waiting for op!)
I digress.
Sarah,
Your 3 blinking lights are a low voltage problem. This isn't helped by the fact that you only have one leisure battery, another (in parallel) will help. However the issue then (at least this was the issue for me) is getting the current from the batteries to the heater. At the moment the wiring you have in, basically, is not thick enough to carry the amount of current that the heater requires. You would need to get some cable run from the positive of one of the leisure batteries to the fuse of the heater ([HI]cable needs to be as thick as your little finger approximately[/HI]) These steps should cure your problem.
Tim
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