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DISCO3.CO.UK > Webasto Fuel Burning Heater

FBH- Has yours fired up yet (UK)?
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Martin
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Member Since: 06 Nov 2004
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United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Beanie mentioned air duster on your own thread.

EGR cleaner above.

Brake cleaner many many times on this forum before.
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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Post #176300213th Jan 2017 8:03 pm
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Gazellio
 


Member Since: 08 Jan 2011
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United Kingdom 2009 Discovery 4 TDV6 SE Auto Indus SilverDiscovery 4

Ok thx Exclamation
  
Post #176300513th Jan 2017 8:04 pm
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BigandScottish
 


Member Since: 07 Jan 2017
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Scotland 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

MY Cars on Fire!!!

No wait.........my FBH works!!! YAY!!
 2008 Discovery 3 2.7 HSE  
Post #176308613th Jan 2017 11:00 pm
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Gazellio
 


Member Since: 08 Jan 2011
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United Kingdom 2009 Discovery 4 TDV6 SE Auto Indus SilverDiscovery 4

Martin i know this is a pet subject but I sell cars i am not a mechanic. I really appreciate your help but i miss posts just like everybody else time is money.
  
Post #176308713th Jan 2017 11:04 pm
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Gazellio
 


Member Since: 08 Jan 2011
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United Kingdom 2009 Discovery 4 TDV6 SE Auto Indus SilverDiscovery 4
SUPERCHARGED RAM AIR FBH

OK thanks to Beanie, Martin and posters above I may have solved the FBH problem.

This morning I set up a temporary Supercharging system for the FBH along the suggested blown air idea.

First I attached the Battery charger on trickle to ensure the voltage remained high throughout the process.

I then used my compressed air gun with an attachment that made a seal into the FBH air inlet after spraying in liberal amount of spray Brake Cleaner.

I then used the ALTOX APP on my phone to start the heater and after a few attempts got a steady flame and rising temperature.

With the compressed air running Supercharger style the FBH warmed up quickly and ran smoothly for 20 minutes with zero issues and only wisps of smoke. When the temp was at nearly 80c I disconnected the RAM AIR and it continued to run sweetly. Several times during the process I stopped the RAM AIR and sprayed in more BRAKE CLEANER the re-attached the compressed air.

I then repeated the process for another 25 minutes so I have had it running for nearly an hour at hot temperatures so hopefully its decoked enough to run by itself. I will test again when its back to Zero degrees.

Here is a short Video of the SETUP:













Anybody know the MAX temperature the FBH can run at I got mine into the 90c+ range...?
  
Post #176319714th Jan 2017 11:36 am
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Robbie
 


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Quite a bit of carbon may have migrated to the exhaust, so worth disconnecting it and giving it a good blow through.

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Post #176321714th Jan 2017 12:29 pm
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Gazellio
 


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Is that easy?
  
Post #176321814th Jan 2017 12:35 pm
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Papulia
 


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Russia 

IanNP wrote:
It may be possible that the Webasto timer module will over-ride/reset any errors/lockouts.
I don't have a timer module so I havn't had a play so don't know Confused

If the FBH tries to start and is unsuccessfully, it will shut down - one Lockout Error is created.
Two more unsuccessful starts and the FBH will lockout.
Power failure while the CAN is active (i.e. the vehicle isn't asleep) also counts as one Lockout Error.

Because the FBH stores errors in NON Volatile Memory, removing the power to it WILL NOT erase these errors - regardless of vehicle asleep/awake, ignition on/off, standing on one leg, wearing red socks etc Rolling with laughter

A Lockout can only be reset by T4 (on a good day if you are lucky) or fault mate Bow down or the Webasto PC programme

Good afternoon!
This screen appears under what conditions-mode Webasto parking heater or heater?


The FBH on the D3 as is, is an auxiliary heater, so only works when the engine is running and the external temp is below 6deg. It was designed to work as a Parking heater and aux heater when the vehicle was first launched, but LR couldn't get the FBH and the heating controller to work together (German product & British vehicle not talking the same loudenSprache).


If the FBH is not working and the external temp drops below 6deg the engine does not produce enough heat to keep the temp up on the guage! It runs at full load (5kW) until the engine coolant temp reaches around 85deg. On the temp guage this is the middle (half way between cold and hot).

Then it drops back to Part load (2.5kW).

It then cycles full load, part load until either the engine is turned off or the external temp rises above 6deg.
When the engine is turned off the heater then shuts down, going first into 'burn out' then 'cooling'. This is what you can sometimes here - it can take up to 30seconds to complete.

More info here:
http://www.disco3.co.uk/forum/viewtopic.php?p=613440#613440
  
Post #176414216th Jan 2017 12:54 pm
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Gazellio
 


Member Since: 08 Jan 2011
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United Kingdom 2009 Discovery 4 TDV6 SE Auto Indus SilverDiscovery 4

The last two screenshots are identical.... Wink

PS: My max was also 88c (Not in the 90,s)
  
Post #176414916th Jan 2017 1:05 pm
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Papulia
 


Member Since: 17 Aug 2016
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Russia 

Excuse me.

Interested in a screenshot with a timer.
  
Post #176416116th Jan 2017 1:16 pm
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Gazellio
 


Member Since: 08 Jan 2011
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United Kingdom 2009 Discovery 4 TDV6 SE Auto Indus SilverDiscovery 4

Yes no criticism just pointing it out after studying both! Very Happy
  
Post #176416216th Jan 2017 1:18 pm
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Robbie
 


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Gazellio @ Prestige Cars wrote:
Is that easy?


Yes, but don't do it in your best suit or white trainers.
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #176417416th Jan 2017 1:36 pm
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Gazellio
 


Member Since: 08 Jan 2011
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United Kingdom 2009 Discovery 4 TDV6 SE Auto Indus SilverDiscovery 4

Censored I am going to have to get changed then.. Shocked
  
Post #176418816th Jan 2017 1:51 pm
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aman
 


Member Since: 09 Feb 2014
Location: London
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United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

Hi guys. My FBH is working today (3 degrees outside)... but I notice it is not switching off once the engine reaches operating temperature (was driving around for 45 mins)... Is this normal? I can sometimes hear the radiator fan coming on, and I can still feel hot exhaust gases coming out of the FBH exhaust.... Is this how it is meant to operate?... seems like a bit of a waste of heat if the FBH and radiator fan are running at the same time....
  
Post #176736822nd Jan 2017 6:03 pm
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Robbie
 


Member Since: 05 Feb 2006
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Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Normal behaviour and the big fan does more than cool the coolant.

Thumbs Up
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #176738822nd Jan 2017 6:31 pm
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