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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069  
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Gavin, you mean the fuel pump has stopped running ?
if so, there could be an inline filter on it, some of them have tiny filters. also, check for 12v on the connector at the pump end Has the air intake been drowned ? if so, it could be a webasto out job ... SteveS had a similar problem a few weeks ago .. I've not heard exactly what the problem was. |
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24th Dec 2012 5:45pm |
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| boode Member Since: 11 Apr 2012 Location: Devon Posts: 427  
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I do not think that it is a water ingress problem because it worked fine for a couple of hours yesturday
It started fine today and warmed up - but when I came back to check it had stopped working So probably a fuel blockage or fuel pump problem possibly |
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24th Dec 2012 5:52pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069
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so it could be the filter, they are tiny ...
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24th Dec 2012 6:01pm |
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| SteveS Member Since: 05 Oct 2010 Location: Devon & Berkshire Posts: 388 
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Yep - the whole unit was despatched to Webasto service agents who ran the diagnostics.
My symptoms were: Ran it up for winter use, fired OK and went through a cycle, after approx 15mins a big cloud of steam shot out. So turned it off to ocme back to it later. On attempted restart the inlet fan was running (take off inlet filter/housing in the engine bay and look for suction) the fuel pump was ticking (so different to Gavins problem) then the unit just poured out loads of white smoke and then shut down. Tried this 3 times and sent it back to D44 as still in warranty. The unit was tested and found to be fine with no fault found. However, the exhaust silencer was blocked with soot. Have now taken off the silencer and routed the exhaust pipe to be shorter. Webasto say that I was not operating it properly as I ran it with it in low power mode for long periods (they say it needs to run at full power to stop coking up). After having an argument about "where does it say that in the Handbook?" we agreed that it was not my fault. So I'm not sure what that means for operating it in the future. The local Webasto agent thinks removing the silencer will help enormously and they have good experience of doing this - the increase in noise is hardly noticeable in any case. I did wonder whether my Salisbury laning trip (4 ft deep muddy water) may have got mud in the unit but D44 said it was clean of mud I plan to rig up a simple way of closing the exhaust pipe for summer use and wading. But realistically in the winter when you need the Webasto you don't want to be messing about with this......so only time will tell I am waiting for Webasto to issue updated operating instructions........can't see that heppening. In the meantime it seems better to run the unit at say 30mins at full blast rather than say an hour when the second 30mins could be at low power. However, I don't plan personally to change the way I use the unit....if it happens again then I shall just rod the coke out of the exhaust or get a new bit of cheap pipe |
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25th Dec 2012 10:53am |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069
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SteveS - hi power / low power mode ... i did not know there were 2 modes, how do you switch between them ?
Merry Christmas |
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25th Dec 2012 11:10am |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069
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22mm copper fittings fit perfectly on webasto exhausts
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25th Dec 2012 8:36pm |
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| SteveS Member Since: 05 Oct 2010 Location: Devon & Berkshire Posts: 388
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you dont switch between - the unit automatically backs off the power output once things are up to temperature
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26th Dec 2012 7:30pm |
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