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I never thought I would need the heater!
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userMoby_the_magic_bus
Posted: 3 April 2021 1:37 PM
Subject: I never thought I would need the heater!
 
Just joined

Posts: 19



Hi All, I've had my Autocruise for a year and haven't used the Eberspacher Combitronic for either heating or hot water - it was hot in France last summer and the kids pandemic play zone didn't require it.

The digital panel works fine (must set the date). - https://www.flickr.com/photos/75202971@N00/51091515466/in/photostream/
When I turn on the heating this starts working - https://www.flickr.com/photos/75202971@N00/51092056928/in/photostream/
... and this exhaust unit starts 'exhausting' - https://www.flickr.com/photos/75202971@N00/51091592869/in/photostream/

That lasts for about 4 minutes then it stops. There is no blowing from the vents going on inside the vehicle.
The same thing happens when I select hot water but there is more exhaust before it turns off after the same amount of time.

The ECU - https://www.flickr.com/photos/75202971@N00/51091605957/in/photostream/
Birds eye view of the set-up (ignore the 2 brown wires / usb outlet) - https://www.flickr.com/photos/75202971@N00/51092056968/in/photostream/
Interestingly the water heater cylinder got warmer but I certainly didn't select Hot Water from the panel. I was told it was all newly fitted when I bought it and it certainly looks that way - https://www.flickr.com/photos/75202971@N00/51091605962/in/photostream/

This makes my head spin - https://www.butlertechnik.com/downloads/Eberspacher_Combitronic_wiring_diagrams.pdf

I've had such a good experience from this forum that I thought I would post the problem here first as you learn so much more attempting to resolve things yourself.

Thank you for any advice.
Cheers
Gaz
userKeithl
Posted: 4 April 2021 9:34 AM
Subject: RE: I never thought I would need the heater!
 


Lord of the posts

Posts: 5737
500050010010025
Location: Birmingham. 2004 Auto-Trail Cheyenne Mercedes 313.


Hi Gaz,

I'll have to start by saying I have no experience of the Eberspacher Combitronic but do with the Hydronic heater which it seems to be based around.

I'm going to have to guess a bit here but it sounds like the Hydronic heater is starting up correctly but then for some other reason the heat is not being drawn away and the unit then shuts down due to overheat.

Trouble shooting guides say to plug in Eberspacher's 'Edith' unit to diagnose so it seems you will either have to find someone with an Edith unit or buy one yourself.

https://www.pfjones.co.uk/advice-centre/eberspacher-advice/eberspacher-airtronic-fault-finding-guide.html

Keith.
userMoby_the_magic_bus
Posted: 4 April 2021 9:48 AM
Subject: RE: I never thought I would need the heater!
 
Just joined

Posts: 19



Thank you Keith, I'll certainly look into that. Happy Easter.
user747
Posted: 4 April 2021 1:27 PM
Subject: RE: I never thought I would need the heater!
 


Forum master

Posts: 2703
2000500100100
Location: Tyne and Wear - Burstner Delphin Performance T821


I put water in my van the other day, for the first time in about 6 months. The idea was to give it a run out, let the water slosh about and then drain it off. To be clear, chlorinated water is a way of treating an already clean tank in my view.

Circumstances got in the way and the van never moved. Tonight is forecast to be -2 degrees so I will give my Alde heating a try out to keep the van warmish, at least enough to prevent any harm.
userGrumpyman
Posted: 5 April 2021 11:57 AM
Subject: RE: I never thought I would need the heater!
 
Keeps coming back for more

Posts: 131
10025
Location: Suffolk Autotrail V-Line 2018 5.99mts.


I had the Eberspacher system in my Autocruise and always had it serviced and repaired by Panks of Norwich . They are a reputable company with vast experience. Don't know if that's any good to you as not sure where you live.
userMoby_the_magic_bus
Posted: 8 April 2021 11:13 AM
Subject: RE: I never thought I would need the heater!
 
Just joined

Posts: 19



Thank you for your comments. My quest will continue. Cheers.
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