Gareth
Site Moderator
Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26779
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My FBH fired up on Saturday morning also. Lots of smoke! it has not fired since last April!
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 7th Nov 2005 8:11 pm |
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Winger
Site Moderator
Member Since: 15 Feb 2005
Location: UK
Posts: 3428
 
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10forcash wrote:the dials are for setting the interior temp, not the temp of the air leaving the heater, which is why on full auto, the fan speeds up when the temp is set high - to force hot air in quicker and boost the temp higher
Well, yes and no.
The FFH serves three purposes, one of which it doesn't (as we all know). Parked heating, auxilliary heating and supplementary heating. Parked is knackered; auxilliary provides the fast engine warming, within definer parameters; supplementary provides fast cabin heating, when requested, and also subject to defined parameters.
The dials are the visible part of the ATCM - which is also the main control unit for the FFH, in conjunction with the ECM. The signal for supplementary heating is dependent upon the dial settings on the ATCM.
Connection with the alarm system? Now that really has to be too far fetched. 
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| 7th Nov 2005 9:12 pm |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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The alarm was a theory of the Webasto tech because of airflow with the volumetric sensors, not confirmed and I wouldn't have a clue anyway.
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| 7th Nov 2005 9:16 pm |
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Winger
Site Moderator
Member Since: 15 Feb 2005
Location: UK
Posts: 3428
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Think it is a red herring.
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| 7th Nov 2005 9:56 pm |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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Winger wrote:Think it is a red herring.
I am sure you are correct.
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| 7th Nov 2005 10:02 pm |
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Slimer
Site Moderator
Member Since: 06 Jan 2005
Location: Last Exit to Nowhere
Posts: 16295
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Definitely something 'fishy' about it The End
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| 7th Nov 2005 10:10 pm |
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Winger
Site Moderator
Member Since: 15 Feb 2005
Location: UK
Posts: 3428
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Off the scale, in my view.
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| 7th Nov 2005 10:14 pm |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
 
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BN wrote:The alarm was a theory of the Webasto tech because of airflow with the volumetric sensors, not confirmed and I wouldn't have a clue anyway.
Volumetric sensors (as opposed to ultrasonic) are not affected by airflow, they would also seem to be inhibited when the tailgate release is programmed to the LR button on the key
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| 8th Nov 2005 8:39 am |
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